I just came across this statement by Alan in another post (Speakers for 30 foot x 40 foot screening room):
"Don't put the speakers behind the screen unless you are prepared to do equalization to compensate for the losses of the perforated screen."

I was planning on putting L/C/R speakers behind my screen, out of spatial necessity. In my months of planning, nobody mentioned anything to me about requiring EQ in that situation. I'm planning on getting the Denon 3806 with Audyssey MultEQ, so maybe I won't have to worry about any problems...
From my understanding, it is actually preferable to have the center channel behind the screen, so the voices come directly from the screen (like I was told movie theaters have).
Does anybody else have experience with perforated screens?