Razer Naga V2 Pro MMO Wireless Optical Gaming Mouse with Interchangeable Side Plates in 2, 6, 12 Button Configurations Black RZ01-04400100-R3U1 - Best Buy
First Looks: Logitech G600 MMO Gaming Mouse - HardwareZone.com.sg
Amazon.com: Logitech G600 MMO Gaming Mouse, RGB Backlit, 20 Programmable Buttons (Renewed) : Video Games