From what I understand, the 950 can produce 6.1/7.1 audio from a 5.1 source if the 950 does the decoding itself -- so if you have a DD 5.1 or DTS 5.1 track on a DVD and want 7.1, the 950 should be able to fix you up. The only case where this would not be true would be if you were using the 5.1 analog input; there is no digital processing done to that input. Once the manual appears (soon?), we should know more.
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Gonk