Amazon.com: Logitech G604 LIGHTSPEED Gaming Mouse with 15 programmable controls, up to 240 hour battery life, dual wireless connectivity modes, hyper-fast scroll wheel - Black : Video Games
Logitech G604 VS G602 Logitech Gaming mouse compared - YouTube
Logitech G604 LIGHTSPEED Wireless Optical Gaming Mouse with 25000 DPI HERO sensor Black 910-005622 - Best Buy
Logitech G604 - LanOC Reviews
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.