Blur Busters confirm that the 28" 4K LCD 1ms TN panel is able to achieve near-CRT clarity, thanks to a technology similar to strobeless LightBoost. The prototype is capable of 480 Hz only in 1080p for now.
https://www.notebookcheck.net/Monitors-with-480-Hz-refresh-rates-are-almost-here.241724.0.html