IF memory serves, those Pioneer speakers are a pretty good sounding speaker. I would bump the Bose out of surround duty and get some QS8s as my first Axiom purchase(I had 201's as mains before my foray into Axiomland \:\) ) and I would also pick up a sub like an EP350 or EP500.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70