Hi! I have Pentium Dual-Core E5200 @ 2.50GHz and Ati Radeon HD4670. I play quake live and no matter what settings I put, I stutter a bit every half seconds which is enough to ruin whole experience. It is a handicap and I am not competitive. If i lower settings then i get some benefits but not enough. For example in Linux the level in game is drawn nicely and smoothly but enemy and friend models warp hard so its hard to hit them and predict them and i miss alot eazy shots. In windows I feel like i hit a little bit more but the whole game is not smooth. I also put everything to performance in catalyst. Do you know what's the problem?