Just noticed this on PC World (also Currys and Dixons). Its the cheepest I could see. Amazon are at 59.99. Not bad for a mouse with 4000 dpi can collect at store aswell.
When you're gaming you need to be in ultimate control, and that means using technology that will always keep up with the pace. With the Razer Lachesis Laser Gaming Mouse, you can be sure you'll never be held back.With its remarkable 4000 dpi 3G laser sensor, the Razer Lachesis Gaming Mouse gives you fantastic control , however tricky the situation you find yourself in. Not only that, this clever contraption even uses its 32KB Razer Synapse onboard memory to remember your preferred settings, giving you the best shot at victory whatever you're playing.The Hyperesponse buttons on this Razer Lachesis Laser Gaming Mouse ensure that no matter where or how quickly you press them, you're guaranteed total accuracy. Never be defeated again.