G-beck - there 2 types of LED TV's - the common one just uses LEDs to illuminate the LCD shutters instead of using fl. tubes for that purpose -- the
expensive ones use OLEDs (O = organic!, but not USDA approved...) to form the image pixels
those thinking about a purchase may want to wait for the Apple TV also
check this out too:
http://www.nytimes.com/2012/02/09/technology/personaltech/is-this-living-room-big-enough-for-my-tv.html?_r=1&hp
- there are several other threads on this topic if you can find them