Oh man, that's a tough one. I've heard reports that more primitive style paper ballots like they use in France have advantages -- they do take longer to tally though.

Seems like the punch card ballots could have been improved. Perhaps if they had some sort of device that was mounted to the frame that would push an oval shaped plunger with sharp edges down through the ballot when the voter lined it up right -- maybe with a knob that you sorta punched downward. That would take some of the error out of the push-pin setup.

__________________
1986 300SDL, 362K
1984 300D, 138K