From a google search it looks like the Tooth Fairy line got bought out by Salsa...and I can't find anything similar. I got mine a while back from a local bike shop, I think around $30 if I remember right.

Here's a 3-ring bashguard: http://www.universalcycles.com/shopp...29&category=58

Do some searches for "xc bashguard" and you'll probably find something you like.