I'm a little late with this news but this is very cool. Finally we get to see all these different technologies put into good use and into a product. The hardest part about Research Technology is trying to commercialize it. I think this team did a good job. Took them 6 years though.
Multi-touch, Object detection, network aware.. everything pulled together using the magic of software.
Checkout Microsoft's official Surface website : http://www.microsoft.com/surface
or checkout the videos here:
The three official Microsoft Surface Videos:
and Bill Gates' unveiling at D 2007.