What mouse sensitivy and DPI do you use in CS:S and do you play with mouse acceleration ?
I think I'm going to laugh loud at you guys I had an overview with QS
My settings :
400 DPI
3.25 sensitivity
NO ACCEL
(3.25 sensitivity with 400 DPI is like 1.625 with 800 DPI or 0.8125 with 1600 DPI)