Honda’s UX-3 prototype Personal Mobility Device is pretty cool. Appears to be inspired by the Segway, most likely for indoor use. Seems ideal for large building transportation (malls, hospitals, etc.) In any case, their promo video is worth watching.
The Australian Macarther Chronicle reports that Toyota continues to make progress on their single person mover vehicle, the iREAL. Basically, a wheelchair on steroids, the iREAL appears to be targeted at the Segway and short distance commuter market
This three wheel, lithium ion battery-powered vehicle, can move its passengers at about 18 mph for about 20 miles on a two-hour charge.