Bobm and Hank:

If all you are interested in is SQ (and no room correction or video processing), why not buy a hdmi switch and any number of previous generation pre-pro's. Anything from a 990 to a AVM-30 seem to be available for under $700. For probably around $1100, an OPPO BDP-105 might be meet your needs as well.

So I agree with H. Stevens and believe that the 975 needs to have some compelling feature besides SQ.
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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