I agree with you on the speakers behind the screen for movies. but for both music and movies, I feel better if the speakers are not covered by the screen, even with the digital eq to compensate.

thats a nice projection setup you are running [Linked Image from softronix.com]

Best regards,
Jerry
Main System: 861v6, DSP8000s in corners, DSP7000s Center and Sides, 1-9 humans.