In Games like Bf2 and BC2 when sprinting you cannot sidestep to see what is going on on your left or right side. I agree with this as i don;t want to see people sidesteping while sprinting like quake. What i would like to see is free look activate while sprinting. So since your gun becomes disabled while running, the movement of your mouse should be the movement of your mouse. So while running straight you can look to your left or right (kind of like BC2 view while on the quad.)