Ive been playing Q3 Arena for about 3 years now..I went from a Ball mouse to Optical..For the last year Ive been useing optical mice...First a Logitec,then a Microsoft which im useing now..After a few weeks,,,it seems thay start to slow down and get slugish..Pointers get eratic,and hard to control...I have a good systom,and I play a good game..Yes i play On Gamespy,,Yes i know it can be a lot of things..Operating Systom,Well you know..I know this is a game forum,,,But I think this is the right place...Seems not to many People want to help..Its like a secret to give out info on game play.I know 98se is slower Than the new ones..If any one out there can help,or suggest,,Thanks