To get this away from a flame-fest.
There are loads of places to look for advice
http://www.failsafedesign.com/maintankadin/
http://www.tankspot.com/forums/
http://www.elitistjerks.com
and here ofc if you want to fight with people about your opinions
Tankspot was initially just a warrior site but it has an awesome thread for BiS pieces for Protadins from 10 and 25 man instances. This breaks it down into EH/Avoidance and Block/Threat sets
http://www.tankspot.com/forums/f97/4...ar-glance.html
for those that are too lazy to search