speakerman39 - I am using the Yamaha RX-V659 to power the Infinities (mains) as well as 7 each of the Insignia NS-B2111 that have had their cabinets re-inforced as my center, side surrounds, rear surrounds, and presence channels - all channels are high passed at 80 Hz, with the lows going to a Soundstream monoblock that feeds an old Cerwin Vega 124 in a homemade 4 ft^3 ported downfiring enclosure.
I have only listened to them for a couple hours last night. Couldn't go over -20db as the little one was trying to get some sleep. They are not aimed right, and nothing is really set up right yet, but they do sound good. Enjoyed a little Norah Jones (sp?) vocals that sounded pretty good. Right now they seem a little lacking in depth of stage, but I'm sure some time spent with toe and positioning will fix that right up.