Each tv has its niche.
Plasmas for movies (home theater), past paced sports....Fastest refresh rate, and best contrast.
Plasma tvs actually produce light at the pixel, which means that when the pixel is off it is black.......LCD and LED both produce light via a flourescent bulb (led light for led tvs but still lcd screen) and reflector in the back of the tv.....next the lcd screen opens the correct pixels to allow the light to pass through....but the bulb is always on full blast and it can't really stop all the light leakage to provide a true black. Lcd helps this problem some by only turning on portions of backlight at a time.
LCD or LED are good if you want to save a little power, or if you want to use it as a computer or game monitor - because of possible burn in issues.
Even the best led's can't match the contrast and refresh of a good plasma.....(still over $2500 for a good one....pioneer)
..but if you leave your movies/games on pause, or watch channels with "bugs" or lower third banners, they may burn in to your cheaper plasma tvs.
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