Microsoft Surface will be released on April 17th in select at&t stores.  This item is a bit pricey for the average tech gadget consumer estimated from $5,000 to $10,000.  It will be a great educational tool once the price comes down. 

Press Release

Microsoft Surface Demo

There are a few other competitors in this arena.  The linux community has been working on the multi touch devices too.  You can already download this software and start playing.

Jeff Han seems to be a bit ahead of the game.

However, at ten times the price, the Microsoft Surface may be a little more realistic.