Razer deathadder. If you do get the DA though most of the new ones have firmware v1.21. Download the v1.10 from the website and install that because when you change polling rate and dpi the new firmware kills your mouse but other then that small headache it's a freaking awesome mouse. And to make Dan happy which I always try to do
The DA fits my hand best.
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AMD Phenom 9500, 4GB DD2 1000 G.Skill ram, MSI K9A2 Platinum motherboad, ATI HD3850, 320GB X2 SATAII drives