Do you find a brightness imbalance between the left and right sides of your Asus screen? Seeing a lot of reports on this (this video does a good job of talking about it around the 6:33 mark):)
You posted my video
Also ordered the LG 6K, arrives Monday, expecting my first-born on Thursday but will work on a few reviews / comparisons when I have the time:
LG UltraFine 6K | Review
LG UltraFine 6K vs. Asus ProArt 6K
LG UltraFine 6K vs. Pro Display XDR