If you want a good laugh, I recommend checking out PCWorld.com's article The World's Weirdest Keyboards. You'll either think "this is just what I was looking for" or you will be laughing so much you won't be able to say anything.
Goes to show what happens when people have too much time on their hands, some money sitting around and a copy of the movie Robots which drilled into their heads the idea of "See a need, fill a need".