I don't know how it happened, but I can no longer use invert mouse style when playing FPSs. Keep in mind, I have nearly a decade of mouse look under my belt (like many of us), and have always played ...

I use a trackball (yes!) for FPS games. My reasoning for using inverted is that my head and first person view is analogous to the trackball, thus if I move the ball back, my head moves back (and I ...