Razer Copperhead

Heck, I was about to buy a Diamondback.

• 2000 DPI Laser Engine Powered by Razer Precision?
• 1000 Hz Ultrapolling? (adjustable to 125Hz & 500Hz) with 1 ms response time as compared with 125Hz/8 ms response time used by other conventional gaming mice
• 32KB Onboard Memory Powered by Razer Synapse?
• 7 independently programmable buttons optimized with Razer’s Hyperesponse? technology for ultra tactile button feedback and maximum actions-per-minute (APM) gameplay
• Up to 3 customizable weight standards and optional dummy buttons*
• Zero-Acoustic Ultraslick? Teflon feet
• 16 bit data path, as compared to 8 bit and 12 bit data paths used by other conventional mice
• High speed motion detection, up to 45ips and 20g / Over 7080 frames per second
• Always-On? mode pioneered by Razer? - the laser engine sensor never powers down to provide instantaneous response at all times during gameplay
• Award winning Razer? drivers featuring On-the-Fly Sensitivity? DPI adjustment pioneered by Razer
• Size: 5.04" length x 2.5" width x 1.54" height
• GlowPipe? non-slip side rails
• Ergonomic ambidextrous design
• Ultra large non-slip rubber coated mouse buttons
• Gold plated USB connector for maximum conductivity
• 7 foot, lightweight, non-tangle cord

Razer | Blog | GameSpot