Don't forget one important point: good theaters are EQ'd to deal with the screen (and other acoustic) issues. So you can't really compare a home screen to a Dolby level theater that has been customized to eliminate screen effect.

Panny 3000 PJ, 118" Carada, Denon 3300, PS3, Axiom QS8, PSB 5T, B&W sub, levitating speaker wire