Microsoft Wednesday announced the availability of its Arc Touch mouse, a brilliantly designed mouse that can be flattened to fit into a laptop bag. The peripheral uses a capacitive touch panel in place of a scroll wheel, and provides haptic feedback that simulates the gentle ratcheting action of a traditional scroll wheel.
http://www.betanews.com/article/Microsofts-flexible-Arc-Touch-Mouse-goes-up-for-preorder/1283356579
finally microsoft is stepping up its act, they havent been doing aything path breaking or innovative stuff of late. their mice & peripherals have been pretty good.