Logitech G602 Wireless Optical 11-Button Scrolling Gaming Mouse Black 910-003820 - Best Buy
Logitech G602 Review - RTINGS.com
Just upgraded from my trusty g602 to the g604. Buttons aren't nearly as clicky and tactile as the g602, but the damn scroll wheel is phenomenal, I can't get enough of it.
Logitech G602 M-R0048 Black Wireless 11-Button Bluetooth Gaming Mouse - For Part | eBay