The brilliant Logitech G502 Lightspeed Wireless Gaming Mouse is now £60 on Amazon | Eurogamer.net
Logitech G502 LIGHTSPEED Wireless Gaming Mouse, Black, with G435 LIGHTSPEED and Bluetooth Wireless Gaming Headset, Black : Amazon.co.uk: PC & Video Games
Logitech G502 Lightspeed Wireless Gaming Mouse - black [GAMO-883] from WatercoolingUK