I think this article needs to be urgently updated!
I recently bought the Eizo ColorEdge CG2700X that is a 4k UHD monitor and it's giving me good results.
It is on a very nice price in yen it was ¥350,000.
I also had the opportunity to buy an Asus monitor but unfortunately I sent it back as the screen was not perfect and it has a terrible plastic smell that gave me headaches.
There is also a new OLED grading monitor from Asus, it is expensive but it comes with a calibrator similar to EIZO.