Mamba
Used by 2 peoplerazer.com ↗
“I'm a bit of an input device magpie, so am currently using a Razer Mamba gaming mouse, which sports 5000dpi accuracy and wireless mode.”
Dhanji Prasanna Interview, Hacker, ex-Googler (Wave, Plus, Search) · via Uses This 
“My current favorite is actually a gaming mouse: the Razer Mamba.”
Rich Siegel Interview, Developer and co-founder, Bare Bones Software · via Uses This