We may want to investigate this app in our "Whiteboard" category search. I'm also interested in learning more about the AirPlay features in iOS 5 ... It provides the option of wirelessly streaming the iPad screen to an Apple TV device ... Which could then be connected to the ceiling mounted projector (we'll see). This would provide a cord-free display of the iPad. 

Check out this application on the App Store:

Penultimate Cocoa Box Design LLC Category: Productivity Updated: May 09, 2011          521 Ratings

Sent from my iPad