2024 is going to be the year of OLED monitors. Unfortunately no one is making a 4k 27" OLED which would be a pretty good all in one monitor. Plenty of 32" 4k available but not a huge fan of the Mac scaled option on those.
https://www.youtube.com/watch?v=GJf6iBDIyOc
30 New OLED Monitors in 2024: 4K 240Hz, 1440p 360Hz, 1440p 480Hz, Ultrawide 240Hz & More

YouTube
@paul but 27” 4K is the “bad” zone, no? https://bjango.com/articles/macexternaldisplays2/
Mac external displays for designers and developers, part 2

Since writing about Mac external displays in 2016, not much has changed. LG, Dell, Samsung, and other display makers have either never catered for the specs many Mac designers and developers want, or they’ve reluctantly produced products that have been short-lived or compromised.

Bjango