All the loot tagged for Blood has Dodge/Parry. Should I be flagging myself as Frost for haste/mastery upgrades? Whats the deal with all the avoidance on gear?
I don't think there will be a day where Blizzard puts gear with Haste as a tank upgrade, since haste right now is considered by Blizzard to be a pure DPS/Heal stat. That said, I do think they absolutely intend for tanks who don't need the survivability to be setting their loot specs to DPS so they can be up these pieces, because some of them are oh-so-sweet for Blood.
Unless I want a trinket off the boss, I set my spec to unholy 90% of the time. At least in 10 man, haste/mastery is just so much better than avoidance/mastery. And I'd even take Haste/(Crit/Hit/Exp) over Avoidance/Avoidance.