I use a 360 pad for most of my PC gaming so input lag isn't felt nearly as much as it is with a mouse, I'll happily play through Deus ex human Revolution for a pound rather than paying £30 for the game as I'm not exactly flush atm with all these new releases.
Will have to try a 360 controller, because mouse lag onlive deus ex is a POS.
Guess I forget about finishing the game on hardest difficulty with a 360 controller.