A remote controlled quadricopter drone with two cameras, wifi and flight stabilization.
http://www.parrot.com/parrot-ar-drone/en
Soon as they start selling this I'm buying one!
Oh, you've got to own a iPhone to be able to use it! (wonder if iTouch will be supported, you only need the wifi not cell coverage)
Read the complete post at http://wmug.co.uk/blogs/r0b/archive/2010/01/06/parrot-ar-drone-the-ultimate-geek-toy.aspx