Newegg.com has the Cooler Master CM Storm Xornet SGM-2001-BLON1 Black 5 Mouse Buttons + 2 Fix Function Buttons Buttons 1 x Wheel USB Wired Optical 2000 dpi Gaming Mouse for a good price.

Item has a rating of 4/5 from 90 reviews

Google Products Price : $20.18 ~ $25.25 Shipped

1. Newegg Price : $22.99 Shipped
2. Rebate Price : -$10.00 ( Exp : 8/23/12 )
Final Price : $12.99 Shipped After Rebate