Gonk: Regarding the SA8000HD, I share your surprise and feelings about SA. However, the installer implied that it was a firmware issue with the SA8000HD, that it might have this capability in the future, he just didn't know when. He further stated that there was a major disagreement between the installers and marketing, with the installers feeling they need to tell people about the product and marketing keeping quiet. I guess if you are using an HDTV without a HT receiver system (not part of the outlaw target audience) this functionality gap is meaningless.

FWIW, I also share your experience with SA boxes in general. Fortunately, TW will let you switch from a SA box to a Pioneer HD box that does the same conversion as the Pace boxes.
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Living Room 24x18 open 1/2 flight up to a raised dining room/hall 24x12
Outlaw 976 pre-pro running 5.1 system
Outlaw 750 for Artison Masterpiece LCR and 2 NHT SuperZeros rears
Velodyne Servo FX-1200
LG OLED65C8PUA via HDMI2 to/from 976 HDMI ARC
Roku Ultra
Samsung BD-D5500 BluRay
Amazon FireStick 4K to 976 Aux HDMI input for Amazon Music Ultra