Assuming you are using a PS/2 mouse, this tip can help give you smoother and more precise mouse control. Good for gaming and for your nerves in general. Studies have shown that smooth mousing reduces fatigue and stress and generally promotes a healthy cheerful glow (your experience may vary).

On to the tip: Right click on 'my computer' and select properties. Choose the 'hardware' tab, then the 'device manager' button. From the device manager window, find your PS/2 mouse and select 'properties.' In the 'advanced settings' tab, set the 'sample rate' to 200.