Curiously enough there was another startup this batch that did the converse: used Segway-like balancing technology in what will probably turn out to be a better way: http://doublerobotics.com
It seems a dedicated, remote, wheeled iPad, especially like in the gallery example, should take advantage of an external camera with optical zoom. The iPad camera is good for what it is, but the physical dimension constraints don't seem to apply if it's already mounted to a 5-foot robot.
Otherwise, that's really cool.