This thing:
http://en.wikipedia.org/wiki/JoyboardYeah, I know who made it and why, but I think the novelty of playing most early 1980s era games with one's feet would quickly wear off (I'm not talking about the modern dance-revolution or Wii Board type games that were designed for this type of play).
I could see it as being useful for those with limited use of their arms/hands though.
