Alienware today added custom RTX 3000 GPUs to its Aurora desktops and a 360 Hz display to its Area 51-m laptop, with a standalone 360 Hz monitor to come soon.
There is already a small noticeable difference between 144 and 240hz, I have the feeling that the difference between 240 and 360hz will be closer to zero.
OptimumTech reviewed the new Asus@360hz and he mentioned that he was unable to guess when the monitor was running @240h or 360hz: