1. Anker® Gaming Mouse, 7 Programmable Buttons, up to 2000 DPI, 5 User Profiles (bound to specific games), Omron Micro Switches <br />http://www.amazon.com/exec/obidos/ASIN/B00CBQO930/tera11-20 <br /> <br />2. Perixx MX-1000 Copper, Programmable Gaming Mouse - 7 Programmable Button & 5 User Profile - Omron Micro Switches - Avago A3050 Optical Sensor - DPI Switch 500-4000 - Ultra Polling 1000HZ <br />http://www.amazon.com/exec/obidos/ASIN/B008YFYMAM/tera11-20 <br /> <br />3. UtechSmart High Precision Gaming Mouse with 4000 DPI, 6 Programmable Buttons, Omron Micro Switches, 5 stored profiles for PC - AVAGO ADNS-3050 Chipset <br />http://www.amazon.com/exec/obidos/ASIN/B00E0H5J8M/tera11-20