RAZER DeathAdder Precision Optical Gaming Mouse for $39.99 shipped.  Here is a screenshot for your reference.  It features 3500dpi Razer Precision 3.5G infrared sensor, ergonomic right-handed design, 1000Hz ultrapolling / 1ms response, five independently programmable Hyperesponse buttons, On-The-Fly Sensitivity adjustment, 16-bit ultra-wide data path, and 60-120" per second and 15g of acceleration.  Most places have this gaming mouse for about $49.