http://www.youtube.com/watch?v=BP4Uot8oiyI
If you’re someone who loves to use their keyboard more than their mouse to operate their machine then MsgFiler is for you!
[It’s a] keyboard-based email filing application for Apple Mail. Type to filter down the list of mailboxes and press return to file selected messages in Mail. Navigate, select, move and copy emails without ever lifting your hands off the keyboard.
Sweet! Get it on the app store!