http://www.richardsprague.com
David Pogue, the New York Times technology writer, gives another example of a cool thing available on Vista that you won't see on the Mac .
As always, Rob Chambers' blog is the best place to learn lots more.
Um, http://www.apple.com/macosx/features/speech/
Ah yes, commanding. And English only? How 1990s.
Can you do free form dictation? Write an e-mail without using your hands? I'm not touching my keyboard while I type this. Are you?