Check this out… It is the touch screen interface from the AU Exhibit hall.
Here is another one I posted on YouTube 
2 Comments To "Amazing Touch Screen at AU 2007"
#1 Comment By wow On March 14, 2008 @ 3:44 PM
i just started to learn autocad never knew you can use tuchscreen with it
#2 Comment By CADDManager On March 14, 2008 @ 6:09 PM
Well – it will be a long time before I see this on any desktops near me.