The last few weeks I have been fiddling with my interp settings to try and find a solution for the intermittent registry I get sometimes, as you know I complain about. I also have very high sensitivity on my mouse. My lerp had been always around 100 but I have been setting my interp at 0.03 so my lerp would be 30. This seems to make the registry slightly less erratic but not overly so. It may be causing what you're seeing though.