Razer Viper Ultimate - Wireless Gaming Mouse with Dock Station (HyperSpeed Wireless Technology, Ambidextrous, Light and Fast, 20,000 Dpi Optical Sensor, RGB Chroma) Black : Amazon.co.uk: PC & Video Games
Erm, Razer's Viper Ultimate wireless gaming mouse is 72% off at Amazon - go buy one | Eurogamer.net
Razer Viper Ultimate 20000 DPI Optical Gaming Mouse and Dock Quartz Pink