There's a surface computer in your future (and on your wall!)

This is so cool.  Microsoft Surface is cool, of course... and even available now for purchase.  (AT&T stores have 'em now.)  But what if I wanted any old surface to be a computing surface?  How about cool multi-touch click/drag/shape?  And pretty simple hardware that costs very little compared to Microsoft Surface?

Check out this thing called TouchWall.  At the Microsoft CEO summit this week, Bill Gates demonstrated this new idea to the attendees. 

Check out the video of Bill doing the demo.

Also - here's a YouTube hosted video (Props to TechCrunch, which is where I saw this first.):

 

What do you think? Cool enough for ya?