Start here:
http://www.avsforum.com
I have a JVC RS1. Got it about 2 years ago. Does full 1080p and at the time was one of the best in it's category. Kind of large, but overall pretty quiet. Price is a little steep at around 6k. Don't forget to budget for a screen. I bought an SMX screen, one that is talked about quite a bit at avsforum. It's acoustically transparent so you can hide your center channel or all 3, depending on your screen size, behind the screen.
And get yourself a replacement bulb right away, so that when your first one goes you're not stuck without TV if it's your primary display.