Seems that there's been a rash of posts on FR with this same idea since I posted this thread.
Hmmm ... wondering where they got the idea ;-)
We have a few people here in Houston who have been election judges for several election cycles. The H.A.T. people have been talking about this since early in the primary season. Probably others have been talking about it since Election 2000. Nice to see lots of threads on this though.