Originally Posted By: dakkon
man, i honestly don't know about the 5.1->7.1 up mixing....

I contacted Oppo directly, alas they said that it only works for stereo sources.

Not a deal breaker, but a bummer, because the way my room is set up, without the rear channels, there seems to be a hole in the surround field. I'll keep thinking, and maybe the 115 will be out by the time I make up my mind, with every last feature I can dream about. smile
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Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris