> I don't think a chorded keyboard would fit well into this scheme directly,
> because there are only 10-15 commands and plus you don't want to take
> your fingers off the movement keys for very long.  But the point is,
> the "kids" are indeed happy to learn unusual interfaces if it will help
> them win the game more often.

I guess that's the major point here - anyone is willing to learn something
"unusal" if the rewards are set in the right way. Regardless if that's Quake
or Squeak ;-)

Cheers,
  - Andreas