Yea.. I'll just wait till this drops for us again in the Eye or SSC.. Dropped a few weeks ago, a shaman got it, then left a few weeks later.  Didn't bid on it myself due to me not being 375 Leatherworking.. yet.  I'd use Girdle of Treachery for Dps and this one for Tanking.  This one can be a little bit better for dps than the girdle, but the girdle is easy to come by, and I'd rather use the one thats better for tanking for tanking and not dps.  Or I could always get two, once I can make them... but.. yea... thats kinda pricey.. and I yet to have my Epic flying