And are you happy with it?
I own the Razer Copperhead, I've had it for over a year now and I am extremely happy with it. I've never had a problem with it whatsoever, really great mouse especially for games like CS:S, Crysis, TF2, or every other FPS games.
Specs:
* 2000dpi Razer Precision™ laser sensor
* 32KB Razer Synapse™ onboard memory
* 1000Hz Ultrapolling™ / 1ms response time
* Seven independently programmable Hyperesponse™ buttons
* On-The-Fly Sensitivity™ adjustment
* Always-On™ mode
* Zero-acoustic Ultraslick™ Teflon feet
* 16-bit ultra-wide data path
* Up to 45 inches per second and 20g of acceleration
* 7080 frames per second
* GlowPipe™ non-slip side rails
* Ergonomic ambidextrous design
* Ultra-large non-slip buttons
* Gold-plated USB connector
* Seven-foot, lightweight, non-tangle cord
* Approximate size: 130mm (length) x 66mm (width) x 41mm (height)