Amazon.com has a Logitech MX518 Optical Mouse for $41.99 with Free Shipping.
n- n
- For Expert Gamers. The Logitech® MX™ 518 redefines extreme performance with a 1600-dpi ultra-high resolution optical engine that delivers startling response and mirror-smooth tracking. Driver-less “on-the-fly” access to three sensitivity levels, a contoured grip, and super-slick feet give you unprecedented control for total game domination!