Plasmas also offer better brightness and contrast to most LCD televisions.
If you are wanting to be ready for the new High Definition Television (HDTV) then look for a screen that will be able to take a HDTV input - Sharper lifelike images with superb detail.
The engine that drives the screen is very important, look for something like a XD engine, this means it processes the image to improve the quality for the screen.
A lot of the actual Plasma panels are manufactured by the same companies so you will notice the same plasma specification for a lot of different televisions.
A myth that we can bust is that you don't need to get your plasma screen re-gassed. Infact you can't get it re-gassed, it's a sealed unit.
Plasma screens are not a new invention, the first was actually built in 1964 at the University of Illinois.
Plasma screens have a better viewing angle than large screen LCD screen, and also are currently better at colour reproduction.