I am running B&W 604 (front), CC6 (center), and 602 (rear) with a 1070 and it sounds awesome. I quickly noticed the clearity with this receiver. I used to have a Sony ES receiver and the 1070 blows it away.
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Outlaw Audio 1070 Receiver
Bravo D2 DVD Player
Cox Motorola 550 DVR
Sony CDP-XA20ES CD Player
B&W Speakers: 604(front),CC6 (center),and 602 (rear)
Definitive Tech 1500+ Subwoofer
Panamax MAX 5410
Samasung HLN507W