I've heard there have been other face transplants, but this seems to be the first time they've actually taken off someone else's face and put it on another person.
I found another thread about face transplants in this forum from a few months ago...but the link is down and I can't tell if it's the same story.
http://www.washingtonpost.com/wp-dyn/content/article/2005/12/02/AR2005120201787.html
http://www.washingtonpost.com/wp-dyn/content/article/2005/12/02/AR2005120201787.html