A study done to see how much e-voting cost the state of Delaware. Not a pretty story. The sad thing is that the counties scrapped their optical scan equipment when they bought into Diebold, and now they have to re-buy all that equipment. I think the only electronic voting equipment that my county has, aside from the optical scan tabulators, is a device for helping handicapped people vote, but it marks a standard ballot that can then be visually inspected before it's fed into the tabulator.
http://blog.wired.com/27bstroke6/2008/04/the-cost-of-e-v.htmlEDIT: And Slashdot picked up the story:
http://news.slashdot.org/article.pl?sid=08/04/06/1427241. Some pretty good observations.