Just some i found:
Amazon.com: Mad Catz R.A.T.3 Optical Gaming Mouse for PC and Mac: Computers & Accessories
Amazon.com: Razer Deathadder Black 3500 High Precision 3.5G Infrared Gaming Mouse: Electronics
Amazon.com : Logitech G500 Programmable Gaming Mouse : Electronics
Found a few others also but they also look really cheap.
Those are the cheapest pries i found for the Razer and RAT Mouse.