a Google search on voice recognition software? Lots of good information including this link
http://www.scansoft.com/naturallyspeaking/
I don;t quite know what it is called but it is used like a head set and you speak into the microphone and it will type whatever you are saying in a word proscesser... does anyone know any brand names of those?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic