AFAIK, the 805 and 806 pass HDMI untouched, so assuming they didn't change anything, the 807 should be perfectly fine with the Oppo. Where Onkyo had/has issues is with component upconversion.
Looks like he's got a Pro 111 in his sig!
Hmmm . . . . greatest TV ever made VS midlevel receiver at a fraction of the cost. I wonder which will do better with video.