Amazon.com: Logitech G602 Lag-Free Wireless Gaming Mouse – 11 Programmable Buttons, Upto 2500 DPI : Video Games
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 Review - RTINGS.com
Logitech G502 vs Logitech G602 | Mouse Review - whatsetup