Review: Vlingo for iPhone
This app offers great voice recognition capabilities and proves to be a fantastic tool for hands-on, spoken text and e-mail messages. But it's not a truly hands-free app and is subject to many of the limitations and dangers of using your phone when your eyes should be somewhere else.
http://rss.macworld.com/click.phdo?i=bdab7e9642379a51df8e177a4a680f84