go for it man, turn them up! you obviously have good skill for tuning and IMHO it becomes more and more important as you unleash these babies. It got to be like a controlled monster. You don't want King Kong running all over your house unless KING KONG IS RUNNING ALL OVER YOUR HOUSE!!
Pre-Pro: Emotiva XMC-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