Originally Posted by mailman2
Well I never noticed it until I went back to Vista and jumped into Left 4 dead. I didnt say it was there all the time, but in Left 4 Dead there was certainly an input lag that is not in Windows 7.
So you're saying you only notice the mouse lag in Left 4 Dead in Vista. Not in any other games or applications? And your conclusion is that it's Vista's fault? I'm sorry but I'm highly skeptical. Sounds more like a Left 4 Dead bug to me.