If you want to play games most of the time, I suggest you get an LCD TV. The reason why you should consider an LCD TV is due to burn ins (I know that new plasmas don't suffer from it - but they are still susceptible). Plasmas also use more energy and give off more heat, so if prolonged gaming sessions are what you're going to be having, then the LCD is better.
Currently in the LCD TV market, new refreshes are going to be made soon (around October-December, in time for holidays), you might be able to get a few good deals if you look around for brands such as Samsung or Sony. If you don't mind Sharp then their TVs are one of the best out there (it's just that they have very poor service and customer base here in Australia).
LittleBigPlanet
24/06/2009 / Sydney