Pulled the trigger on a 32-inch UHD/HDR monitor:
https://www.amazon.com/gp/product/B088G ... UTF8&psc=1
It's basically the same as my 27-inch UHD/HDR monitor, only bigger. I'll move that one to the linux machine.
BTW, I got a VESA arm and it works great, giving much more desk area available and the ability to push the keyboard back under the monitor when not using it.