Yes a lot of sound for that room, so dont run it full throttle
, but I would put the Pentas in front and the CXs back, BTW the plastic container on the floor, does it contain your moon shining product, in front of the 9500 I see another mysterius plastic bottle 
Beosound 3000, BL 4000, BL 8000, BG 2404,BG 5000, BG CD50, Beocord 5000, BM 901, BM 2400, BM 4000, BV S45, BV 3702. There is nothing we cannot do, but a lot of things we don't want to do!!