Lee Hartman, Inc. very generously loaned us one of these projectors for a week. It was pretty amazing! It will project on any flat surface (wall, white board, etc...). Once it's installed and calibrated, it operates just like a regular SMART board! You can touch the projection with your finger, and it's a big touch-screen! Or, use your finger to select any of the various SMART board tools through the tool bar. If you prefer pens... they have two rechargeable pens you can work with too.
We're hoping to use this is some of the classroom renovations we're doing here at Sweet Briar College this summer. If you get a chance to check one of these projectors out in person, I'd really recommend it!