This is a really cool story and the last argument that Mac is the best thing since sliced bread. It seems a woman in White Plains, NY had a bunch of stuff including her laptop stolen. When the computer showed up as being online, a friend called her to congratulate her on getting it back. She said she hadn't gotten it back but then proceeded to go online on another Mac, logged into "Back to my Mac" and she was now looking at a clone of her stolen Mac's desktop.
Then, she activated PhotoBooth, waited for the thief to come back and sit in front of the screen and took a picture of the guy. Cops found him because of the photo.
How cool is that?