1. Flat panel monitors use interfaces - analog or digital. The most up-to-date models have digital interface but an all-digital configuration costs more. If you are attaining an analog flat panel, you should attach it with a digital interface to your video card with a digital out jack to mainstream the signal.
2. Pixel-refresh response time: In a LCD display, the time required to switch from light to dark objects or vice versa, is referred to as Pixel-refresh response time. If the response time is poor (more than 40ms), you may see ghosting effect, i.e., the image seems to remain longer on the screen than it actually is!
Whereas in a text environment this would hardly matter, in a gaming or media centric environment the effect could be a nuisance. More inexpensive models give more ghosting than their steep alternatives. Also, pixel-refresh response time is not brought up on the monitors. You need to watch thoroughly to judge the performance of each model.
3. Viewing angle: One trouble with a flat panel monitor is its viewing angle. Laptop users must have experienced this problem. Moving away from the monitor in any way causes the display to look black! Different models offer different viewing angles horizontally and vertically.
4. Size: bigger is better, but with flat panel, remember 15-inch screen gives you the experience of a 17-inch CRT monitor. If you can pay for 17-inch flat panel, by all means, go for it, if not, a 15-inch screen should not be a disappointment.
Other things to check when buying a flat panel are guarantees and warranties. A three-year warranty is sufficient. People change the monitor settings in stores and while purchasing; make sure that you examine the piece thoroughly. You now have the basic information; all you need is time to check out the market!
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