$10 price drop. Amazon has the Razer Naga Pro Gaming Mouse with Interchangeable Side Plate with 2, 6, 12 Button Configurations and Chroma RGB Lighting (RZ01-03420100-R3U1) + Razer Mouse Charging Dock Chroma Magnetic Dock with Charge Status RGB Lighting (RC30-03050200-R3M1) Bundle for $140 with free shipping.

Don't need the dock? The Naga Pro Mouse (standalone) is on sale for $90.