Razer 3G is one of the fastest mouse with 4000 DPI resolution and 100” per second tracking. Though the mouse is mainly designed for gaming it doesn’t have interchangeable weights like Microsoft Sidewinder or Logitech gaming mouse. The other features on this mouse are 32kb onboard memory, 1000Hz ultrapolling, 1millisecond response time, Always-on mode and gold plated USB connector. To get hold of one of these, you will have to pay $79 and it will be available in October in Phantom White and Banshee Blue color.