Originally Posted by
Iselian
Absolutely true. I still carry my block set around, even though I've not touched Anub'arak in who knows how long. On one hand, you never know when you'll use it (new healer in the 5man? Block sets make those a joke as well). The other is that all fights are not created equal. Sindy has a ton of magic damage going around, so something as simple as going double stam trinkets can give your healers some more breathing room. On BQ, where the majority of a main tank's damage taken is physical, double-armor can really minimize the damage taken.
Truth be told, I stopped caring so much about pure-avoidance sets around tier 9, and let mine fall apart. But block, armor-heavy, stam-heavy, and threat sets, you bet.