Good to know SACDs and DVD-A sound good played on the BDP-83. I have yet to listen to my limited number of these discs but I'm looking forward to doing so in the near future. Oppo has done well with these formats in the past. I recall that my oppo DV-980H played SACDs much better than my previous Pioneer 45A universal player. Sounds like the BDP-83 is reviving interest in these formats for at least mzpro5. For regular old CDs the analog output of the BDP-83 and using bypass on the 990 is giving the upsample setting a run for the money. You have to mess with the bass in bypass since it sums the bass from both channels but it sounds very good when adjusted. This oppo is terrific!