>>>That's what I thought, but then you may have had some really cool method of notifying the user. Personally, I'm trying to figure out how to instantiate a mallet class that will come out of the monitor and hit the user on the head.
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>>I would like to see an electrified keyboard where wrong entries give progressively worse shocks.
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>Oooo...I wonder if I can work that in too.

That might be easier. Let's see, the keyboard is run off of 5v sourced by the computer. A nice coil from a car and a bit of decoding logic plus a power transistor to gate it to the keyboard (maybe a nice conductive strip along the wrist-rest). I think it might work ;-)