Here's Mathieu Bich's performance for those who haven't seen it.
[video=youtube;g-rDXweytac]http://www.youtube.com/watch?v=g-rDXweytac[/video]
I thought it was an interesting puzzle, but it didn't seem very magical. Still, there are places for different types of mysteries in the art of magic, and this one got a great reaction. Loved the box revelation and Teller's reaction. Great stuff. Congrats to Mr. Bich!