Gotta go fast — TCL's ultra-fast 4K LCD prototype has us musing about diminishing smoothness returns. Enlarge / A better monitor refresh rate might help with all that motion blurring...Getty Images Just a couple of years ago, companies like Nvidia were talking up prototype 500 Hz gaming monitors as having "benefits [for] every game and gamer, not just competitive games and esports pros." Now, the high frame rate experts at Blur Busters bring word of a 4K, 1,000 Hz prototype screen being shown...