Logitech G604 Wireless Gaming Mouse: 15 Configurable Controls for $100 - PC Perspective
Logitech G604 Review: My New Favorite Mouse! — GameTyrant
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