Amazon.com has the Logitech MX518 Optical Mouse for $32.99 with Free Shipping.
n- n
- Sensitivity Adjustment – Dedicated controls to switch “on-the-fly” from pixel-precise targeting to fast-twitch evasive moves. n
- Advanced software – Battle-tune your MX™ 518 with up to five custom sensitivity settings. n
- Superior grasp – Sculpted thumb support and contoured grip for incredible comfort during even the longest gaming sessions. n
- 1,600-dpi resolution – Ultra-high resolution, 1600dpi MX™ Optical Engine delivers pixel precise tracking.