No matter how nimble you are on your phone's tiny keyboard, talking will always be faster. Dragon's voice-recognition app is top drawer — maybe not dependable enough for a cover letter, but solid for notes, emails, and rough drafts.
WIRED Simple interface: one big button to record and another to stop. Supports multiple languages.
TIRED 60-second limit on dictation. Option to post unedited blurbs directly to Facebook or Twitter seems dangerous.