I've seen a few drones before, a research group I was involved with got one of those German Oktokopters. It was an amazing bit of kit considering the cost and how easily avaiable it was.
I watched 60 minutes last night and they did a peice on drones, part of it was what this guy in Europe was developing.
All I can say F#$k me! and that doesn't even begin to cover it. If you can get hold of the sixty minutes story I highly recommend watching it. Having this little drone hovering in a room waiting for you throw a ball so it can catch it, or balancing a long stick on its end is pretty cool.