"Communities are discovering that optically scanned balloting systems, augmented with electronic equipment (that also produce scanable paper ballots) for use by the disabled, can be procured for less than a tenth of the price for a fully-electronic system. Such configurations promise to increase voter confidence by offering the best in terms of reliability, usability and recountability as well as being highly cost-effective."

http://www.notablesoftware.com/evote.html