Gary135r,
Actually, the Oppo can decode everything and pass it along via analog outs or LPCM over HDMI. So your 1.1 receiver will not be any different than newer receivers.

As for video, most AVRs aren't *that* great in upconverting so I'm not sure it's *that* much of a differentiator.

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Denon 4520, EPIC80/500/VP180 Speakers