Thanks everyone.
grunt - Not stereo subs (my setup only has one LFE channel). Just dual EP500s using a splitter on the LFE channel. I noticed you have the Panny 4000 projector. I have the Panny 1000. Nice projector. I would sure like to compare it to the 4000.
BigHonu - Dual centers work great for a projection setup. It makes the sound seem like it's coming from the center of the screen. Thus the raising of the M80s (to be more centered with the centers and for the back row seats). I run each center on it's own amplifier to avoid any impedance issues that may happen if wired in parallel. The dark panels on the ceiling are just regular painted ceiling panels for two reasons. To reduce the glare from the screen and to make the ceiling look like a dark sky for the ceiling "stars". Not a very clear picture but here it is.
