ok I'll let you know how it goes. I am definetely right around the 1/3 and 2/3 points, I just hope I'm not forced into exact locations for the hardware. Thanks again for all you help really looking forward to seeing the new screen.
Pre-Pro: Emotiva UMC-1, DSP: Mini DSP 2x4 balanced
Amplifier: Sunfire TGA7400, Lab Gruppen FP10000Q
Speakers: JTR Noesis 212HT (LCR), JTR Slant 8's (surrounds), 3 Orbit Shifter LFU's
Sources: PS3, HTPC, Dish Network
Projector: Epson 8350
Screen: Seymour XD AT 138" diagonal 16:9