hm, didn't know this, but than again I think it shouldn't affect me, cos I don't use high speed mouse movement in games. I use normal, somewhere around 3-4 on that line in control panel/mouse, acceleration on off. I have razer deathadder and use his control panel but I don't remember the settings. I always use FOV 80-100 if possible, cos lower than that is very annoying for me. cheers.