Plasma TV not-so-good for Gaming?

Since getting and setting up the new TV I have been pretty happy with what it can do (well sort-of...).

The TV being a plasma is very susceptible to burn in and constantly shows after images from using it for anything BUT full screen video.

Games that have a HUD (Mass Effect ^_^) or allot of static content on-screen (Wii Fit), tend to do this and I am slightly regretting the choice of plasma over LCD, but I am kinda glad, because it doesn't look like you can buy a (non-SONY) LCD TV bigger than 50" without 3D!?!!

Oh well, at least we ($GF and I) will be able to watch all those TV shows that we have been hording :-P