It seems I may be in the minority -- I'm currently set up only for 5.1, using almost exclusively DD or DTS. But it looks like a lot of Outlaws are equipped for 7.1.

So what are you using?
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Outlaw 970
McCormack DNA-125 (mains), Emotiva LPA-1 (surrounds)
Quad 11L (F&C) Wharfedale (R) LFM1 (Sub) w/ SMS-1
Squeezebox -> Behringer SRC2496 -> Musiland MD10 DAC
Sota Sapphire; Marantz 10B;
Video: Hitachi 42HDS52A; Oppo 971H
System Pics