DOTD : Microsoft Wireless Optical Desktop 4000 (Comfort Edition) - £27.91 delivered @ ebuyer !
Edit: £29.97 delivered now.
Cheapest price I've come across for Desktop 4000 model. Select supersaver delivery and go via Google checkout.
Description: The Wireless Optical Desktop looks as great as it feels. Designed by ergonomic experts for enhanced comfort, the keyboard helps your hands rest in a more natural position. It's a subtle change that makes a big difference whether you're at work or play. Give your hand a reason to celebrate with this stylish optical mouse, created by world-famous designer Philippe Starck. S+ARCK designed this mouse with a unique, curving hemisphere, which makes it feel natural and puts left and right clicking in the palm