Inspiring ideas, people and fun
Visit Chris Walton's site, a space dedicated to the promotion of intentional play with iPads in the classroom, for a great many ideas on using this device to educate. He offers tutorials, app reviews, inquiry project samples and some musings on the effective use of iPads with students.
See also his video clip: "Convert Your Overhead Projector Into an iPad Stand"
Note: the projector is turned into a stand - you will still need a digital projector and either AppleTV (or a wired connection).