Multitouch Goodness: Full-Screen Multitouch Mac OS X Is Here
It’s not from Apple, but it gives a pretty good idea of what to expect from the Cupertino company: a band of developers called the NUI Group have developed Lux, a platform that shows the power of a free open framework that will enable true multitouch interaction in Mac OS X.
http://gizmodo.com/391103/full+screen-multitouch-mac-os-x-is-here