I've found 5700 dpi and 1 win sense to feel pretty good for me for general surfing and desktop use, so when I game I just adjust the in-game sense to what feels good. I'm sure someone can cook up some math that says my settings aren't optimal, but it's what feels right to me and I perform well in games with it. Heck, I can put on both accel and prediction/angle snapping and perform just as well, sometimes even better.