Ive looked at gear several times. Until i know the difference in DPS from crit and tenacity i wont know my for sure build. But we are tanks and usually make more then one build. Ur order will also depend on what gear u currently have through omega normal drops and if u purchased and properly overmelded crafted gear. The tome chest piece is great has both crit and tenacity and u can meld DH to it. Now the most important piece for ALL classes is the weapon. So make sure u get that the first week u can