Everything about latency. Tips, testing methods, mouse lag, display lag, game engine lag, network lag, whole input lag chain, VSYNC OFF vs VSYNC ON, and more! Input Lag Articles on Blur Busters.
I thought a lot of people would enjoy this even though this guy gets mixed results. This monitor is running at 480hz and he is trying to hook up old consoles to it. https://youtu.be/eOLwfG0CiOY