Anyone else find that using the above settings, the game is just a little bit too much for the 4850 ? Pretty much anytime theres some grass/foliage, it chugs a bit and aiming the mouse is pretty jittery, so the Chernobyl bit is really bad. The only cure i found was turning off the AA and turning off Smooth Smoke Edges, that keeps the game running at a smooth 60+ FPS. Is this the same for anyone else ? Some people say they max it out on an 8800GT with the same settings no problem, i just dont get it.