Just had a look at new design of mouse from Microsoft. The new Natural Wireless Laser Mouse 6000.... Aside from using a fancy new LAAAAZER BEAM engine, the mouse offers a new ergonomic design that is said to reduce wrist tension and increase comfort. I can see this as maybe being a valid option for basic users, but not so much for gamers and power users.
Almost everybody always needs a better mouse... And this looks nice too...
Read more about this nice mouse here