You'll hear the noisy whirring of the video projection and you'll need to buy accessories like projection screens and a projector lamp -- not to mention replacement bulbs. However, the experience of a home theater is so cushy, so professional, and so brag-worthy that you may not care about these drawbacks at all. For some consumers, nothing beats the home theater experience; provided that you've got popcorn on hand, of course!
Next, you must consider resolution for your projector. Resolution refers to the number of pixels used to recreate an image, so naturally the higher the resolution, the more pixels it has, the more detail you see and the more money you pay. The resolution comes in a two-number format, such as "1280 x 720," with the first number indicating the horizontal pixels and the second number indicating the vertical pixels.
The most high-end theater projectors come with 1920 x 1080 (the 1080p model), which shows all the lines of the signal in all its native, uncompressed glory. If you're just looking for a mid-priced all-around good buy, then you will likely be satisfied with a 1280 x 720 (720p model), which delivers excellent high definition images from both HDTV and Blu Ray disc players. If you want your system to work as a data projector too, then a 1280 x 768 is a good selection.
One last thing to consider when buying a projector is your installation process. Many home theater projectors now offer zoom lenses and lens shift to help the unit work with the surrounding space. A zoom lens can make the image smaller or larger. A lens shift can change the location of the projected image by moving the lens up or down.
You'll also need to consider accessories like screen mounts, cables and speakers. While this may sound very confusing, often times, you can get someone to come out to your house and calibrate everything just right to be sure you're getting the most out of your home theater experience.
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