Hi Bob, You are very helpful - as always.
As to 10 bit color depth on my new Beelink mini- computer, Apple's new 6K Pro XDR display that sells for $4,999 claims 10 bit color depth. See info below.
So maybe 10 bits is ok for BOTH imaging and for processing in pixinsight?
Roger

https://www.apple.com/pro-display-xdr/specs/

XDR (Extreme Dynamic Range)

  • Brightness: 1000 nits sustained (full screen), 1600 nits peak1
  • Contrast ratio: 1,000,000:1
  • Color: P3 wide color gamut, 10-bit depth for 1.073 billion colors