There has been much hype about the success and potential failure of the new belt drive, for those who are worried here is a little video of Chris Burandt and Jared Sessions talking about the new sled as well how they think the belt will hold up, even with boost.
http://www.youtube.com/watch?v=OwKhaCmCFf0&sns=em
http://www.youtube.com/watch?v=OwKhaCmCFf0&sns=em