I've used a 50" Panny plasma for a year and a half or so, and I'm very pleased with it. Compared to the best LCDs I've seen the picture is smoother and more natural, more " analog film" like, and less grainy. Top notch. The few $ in the electric bill is a small price to pay for what I get, IMO.
Enjoy!
I'm tempted to get one myself.