There are many considerations to take into account before plopping down a large sum of money for a laptop computer. Consider first what you will be using your portable computer for, and then select the laptop that takes care of those needs. For example, if you just need a laptop to check your e-mail, light internet surfing, and word processing, you can probably get by with spending around $500 for a laptop. Here are some general guide lines to keep in mind, and make your decision a little easier.

1. Look for a laptop with alternate technology especially if you’re on a budget. For example, a notebook utilizing an AMD processor is generally cheaper than one using an Intel processor.

2. Choose a laptop that has at least 512 MB of memory. If that isn’t possible, make sure that the laptop is upgradeable to 512 MB or more of RAM memory.

3. It makes sense that the faster the processor clock speed is the faster your computer will run your programs. Choose a laptop with at least a 1.6 Ghz processor. This speed should put you in the Pentium 4 or higher class of CPUs.

4. Select a laptop from one of the top manufactures such as Dell, Gateway, or Toshiba. This will insure you can get parts and service if you ever need them.

5. Lastly, make sure your laptop has wireless capabilities. Many businesses and institutions across the US now offer free wireless web access. Most laptops manufactured in the last 3 years have this type of technology. If you are a road warrior this is a must have feature.

Foreign particles such as dust, pet hair and dander, cigarette ash, and residue can cut the life of your laptop short. If left unattended, these particles can affect the performance of fans, causing the components to overheat. And we all know what comes after that. If you want to get your money’s worth from your laptop, you’ll have to keep it clean.

Cleaning your laptop should be done at least once a year, as part of your maintenance program. Don’t worry, you won’t have to spend a dime hiring a computer technician or a specialist to do this. Just check your user’s manual and follow these quick tips:

What You’ll Need

Aside from time, patience and steady hands, you’ll need a few cotton swabs, compressed air, cleaning solution, and a soft cleaning cloth, like your old cotton shirts.

Cleaning the Exterior

Use a soft damp cloth to clean the casing – make sure it’s damp, not dripping wet. And use a cotton cloth, keep away from scratchy or abrasive cloths. Also, stick to mild cleaning products for this task, and remember to spray it on the cloth first. Never spray the cleaning agent directly onto the surface of the computer.

The Cooling Vents

You’ll need a can of compressed air and cotton swabs for the cleaning vents. Just be careful not to spray too hard as you might get liquid on the fan blades. Use the swabs to keep the fans in place while you clean it. Don’t spin the fan while cleaning or you could cause it to over spin.

I/O Ports

The I/O ports should only be moved after the vents have been cleaned. Use the swabs to wipe away larger chunks of accumulated dirt. You may use compressed air as well, just be careful not to blow dirt into the ports.

Display

Turn off your laptop before cleaning the display, this way you see dirt more easily. Use non-abrasive cloth such as cotton cloths or pre-moistened wipes – never tissues or paper towels – to clean your display. When using a cloth, you will need a monitor cleaning solution. Steer clear from amonia-based cleaners as these solutions leave a mark – more specifically, they leave a film on the display. If you can’t get monitor cleaning solution at your local computer shop, you can make your own by mixing one part water and one part isopropyl alcohol.

Keyboard

You can use compressed air to get rid of dirt stuck between the keys on your keyboard. If your user’s manual allows you to remove the keys for cleaning, then do so. You can take them all out and wash them with mild cleaning solution and a old toothbrush or cotton swabs. Just make sure you don’t lose a key and you put them back in the right place.

Like they say, prevention is always better than the cure. Sure, you can always clean your laptop – in this case, you must – but it would be much better if you kept it as clean as possible. You can do this by always keeping it away from food and drink. Make sure your fingers are also clean before you start working, or you’ll transfer residue on your laptop. And when not in use, try to keep it in a computer briefcase or any sort of protective covering.

Home cinema was predicted to be the death of the movie theatre but it seems no matter what they come up with, people will go to the pictures. Technological developments in home cinema over the last decade have been unprecedented and the latest must have home cinema commodity is your own digital projector. There are many models, some affordable others less than and this article provides essential advice on what is hot and what is not.

The very cutting edge is allegedly the Sanyo PLV-Z700 which will be available from October 2008. Word on the cyber-street is that it will come in at over 1500GBP however this is speculative, making it the most expensive of the three models being reviewed. It is full HD home cinema delivering 1080p content and excellent contrast levels. The real feature of this model is that it has a variable iris which corrects itself 60 times a second, making the light variable to what scene is being projected. There are advanced home cinema options and it is being eagerly awaited.

As the product has yet to be tried and tested by consumers one cannot accurately comment on the quality. The BenQ W500 home cinema projector is on the market and comes in at 1499GBP, roughly the same price as the awaited Samsung. It is a beast of a projector and a ceiling mount is the best fitting for it as it lacks any horizontal shift in the lens. It has a projection range of 2-8 metres and the projection range of 40 to 300 inches, so you must have the minimum space to project. The image quality is excellent and there is a variable brightness so complete blackout is not necessary.

589GBP for a home cinema projector sounds a bit like a back of a lorry job, but the Acer H530home cinema projector actually costs that amount. That is close to 1000GBP cheaper than BenQ and granted it is not HD technology but it is a great alternative to a second 42 inch plasma screen. It is extremely compact, more or less silent and, well it is under 600 quid. As with most sub 1000GBP models there is some colour-wheeling, but it is an excellent model for a first time buyer to test the home cinema technology.

As with many technologies you get what you pay for and home cinema technology is continually being rendered obsolete. Your purchase should be made with your usage in mind, bearing in mind that without warranty, home cinema projectors can be expensive to maintain especially if you have a reoccurring fault. Most consumers will only use it occasionally so the decision has to be made, is it worth investing the better part of two grand in something that will not be used regularly?

So you want a laptop but you don’t have thousands of dollars to spend? Don’t worry – there are plenty of ways to find a cheap laptop if you know where to look. Fortunately, laptop prices have actually come down quite a bit in recent years, so they aren’t as expensive as they used to be. It’s pretty easy to find laptop deals, especially if you wait for sales to pop up.

Cheap laptops are only worth the low price if they come with the features and specs you need in a computer. That means you should look for a high quality laptop at a reasonable price. Purchasing a laptop with the lowest price tag doesn’t necessarily mean you’re getting a good deal. If it doesn’t perform well, it’s not worth the money. The best laptop deals usually come from sales being held by an electronics store on laptops that you actually want.

If you don’t have the patience (or the time) to keep your eyes constantly peeled for the next big sale, there are better ways to find cheap laptops. You can check out a used computer store to see if they have any good deals – used laptops are often only a few years old, still work well, and come for dramatically reduced prices. Sometimes, if you’re lucky, you can find a second-hand laptop that’s almost new at this kind of store.

Online shopping is another great way to find laptop deals. Online stores tend to offer lower prices, and when they have sales, you can find laptops for even less. Or, you can go the wholesale route and try to find the laptop you’re looking for from a reputable wholesaler on the Internet. Finding cheap laptops isn’t always easy, but it is possible. Once you start to know and understand the different sources that sell laptops, you’ll become an expert at scouting out the rare finds.

Comparison shopping is also important if you want to find the best laptop deals out there. If you don’t do some research and compare the prices on laptops in different stores, you won’t know where the best deals are being offered. Again, this only applies to regular stores – if you want the lowest prices available for cheap laptops, you’ll have to go directly to sources that the average consumer doesn’t know about.

In addition to stores selling used laptops, you can search for online sites or stores selling refurbished laptops. Refurbished laptops are cheaper because they have a minor flaw, or have been returned by customers, and are being re-sold to the public. Stores can’t sell the laptops for regular prices, so you can pick up some amazing laptop deals this way if you’re willing to take a bit of a chance and deal with purchasing something that isn’t in perfect condition. With this method you can buy cheap laptops that are the newest models.

Used laptop stores may offer slightly better deals, but you can’t purchase brand new laptops at this type of store. Refurbished models, on the other hand, are new and up-to-date, except for the fact that the box may have already been opened.

Waterproof Digital Camera can capture your memories on a beach, at a nightclub, pool and in many other places because of its high technical configuration. It is specially designed for taking clear pictures of the objects under water that is below five feet and more. Parallel to this, you can view all the pictures instantly and you have quick access of the images taken. There will be lot of differences in taking shots and the working condition also varies when compared with the other digital cameras.

Waterproof digital cameras have different modes that are used for diverse scenes, but you need to have proper knowledge of the camera before use and that can be attained by thoroughly reading the manual. You have to do some research before deciding to buy. Always purchase a camera that is easily accessible by the thumb for clicking and the user interface should be simple. Technical aspects like compact, digital zoom, flash levels, dimensions, internal memory, movie mode etc have to be given importance while buying.

Sony and Canon offer waterproof digital cameras at different prices. Nowadays the waterproof cameras are designed for lifestyle purpose and fulfilling professional needs also. People enjoying vacation on water base always opt for waterproof digital cameras to enhance and cherish their experience. You can take colorful shots while doing underwater snorkeling or scuba diving and so you cannot rely on faulty cameras. In addition to this, these cameras are good options for capturing action shots that are water-based like white water rafting, fishing and kayaking etc. There are cameras available to capture underwater photographs at the depth above 30 feet.

Sealife DC500 is scuba divers delight as it can be used up to 200feet depth. This camera has two underwater shooting options. First one is typical shot for underwater with slight shutter pause or lag. But the Shark shooting option captures intended object and the range or distance is remembered for the following photos and hence there is no lag time with the closing speed of the shutter. It has got a flash and has expandability with other lenses like 3x and 4x optical zoom. Some main features of this waterproof digital camera are 5.0 mega pixels, 3x optical zoom and auto-focus with a LCD display of two inches for viewing the photos.

Olympus Stylus 770SW is referred as the toughest waterproof camera because it is not only waterproof but also freeze and crush proof. Among the waterproof cameras available in the market, this camera sounds like handling anything on the way without any damage. It has got 7.1 mega pixels and as a result gets great resolution and also has LCD display of 2.5 inches. Underwater, the camera is shockproof till 5 feet, can take up crushing force of 220 pounds and waterproof till 30 feet. It also has 30 shooting modes with movie sounds.

Pentax Optio W20 is another waterproof digital camera that is preferred by many photographers because it provides them the needed features. A rubber-sealed seam is an important feature that can be immersed till 5 feet for a period of half an hour. It’s distinctive features are 7 mega pixels, macro lens, 3x optical zoom, 2.5 inches LCD screen, recording videos and underwater settings.

The other popular waterproof digital cameras are Casio Exilim Zoom EX-Z1000, Fuji Fine Pix A400 digital camera and Bonica Snapper-XP underwater digital camera.