60 FPS should be good for the new Ultra setting (according to NVidia). I've been playing a lot of Fallout New Vegas, and now Control, at 60 FPS with Ultra low latency. I definitely felt the difference with 1 frame render ahead, and TBH Ultra feels the same. I've left it on, performance seems similar enough and I've yet to experience stuttering. I have tried other games, but they typically run at or above 100 FPS, that being said I've not experienced any issues so far.