this is interesting: ROAD MAP TO MOBILITY. after discovering the ancient streets in scotland, and finding myself lucky to be able to get out of the chair and walk around broken curbs and cobbled streets, i think this is a great idea. (read about it on brokenclay)
That is pretty cool. Now, if only they can adapt the work they are doing on the flying car prospective to the flying wheelchair. Beam me up, Scotty!