Looks like it wouldn't be too hard to duplicate- use a wii-fit board for the control input - it already has pressure sensors (?) built-in.? I think standing sideways on it is much better than the segway's forward facing position that seems to be intended to guarantee a face plant in the event of a failure of a big bump. Is there going to be a meeting any time soon?? I just finished a project...? see it here: http://mark.rehorst.com/Van_de_Graaff/index.html