Actually shamefully I have no idea either. :P

I didn't pay much attention at my level and its the first time I've ever played a tank in WoW and I really really enjoy it.

I was gonna hit up WoW Wiki and find some good tanking guides somewhere too - all I keep reading is that being uncrushable is really awesome and pallies want heaps of block coz if holy shield and thats as far as I got.

-Slats