My theater is 12 x 21 feet. I will be using Axiom M22ti's for the left and right fronts and the VP150 for the center. But I am undecided on the surrounds and rears. The QS8's are out of the budget, so the question is, do I go with the QS4's or perhaps 4 M3ti's or 4 M2i's? Anyone use the QS4? They just seem to have such a small driver. Would the larger driver of the M3ti be better? Or what about this...6 M22ti's all around, a VP150 center and an SVS 20-39PCi sub?Just looking for suggestions. By the way, this is 100% home theater and an Elite 53TX. Thanks.