I always take try and take a druid as the OT now as a prot warrior has nothing to do most of the time.
The trash untill after opera is very AOEy and you will shine as a tankadin (including dual tanking Attunmen). Maiden I normally let the OT tank as the silence is just annoying. I just throw on some healing gear and Blessing of Sac out of the repentance to help the healers out, spend the rest of my time cleasing.
Opera doesnt really go either way, for R&J a prot warrior is better I suppose becuase he can disarm R or Sheild bash J.
Shade is untankable so meh
Illhoof is better for tankadin becuase you can get him, kilrek and a load of imps with cons, poeple say you can do this without tanking him but I always OOM if im not taking his dmg aswell.
Netherspite is no longer a demon so makes no difference, need 2 tanks anyway
Curator doesnt really matter, burst aggro at evo is nice (pop wings, throw sheild, cons etc)
Chess... lol
Prince tankadins are advantage due to his fast attack speed and the ability to remain uncrushable, hes also a demon so nice aggro from exorsism.
Nightbane I would say warriors are more advantaged becuase of stance dancing out of fear but thats not too much of a problem now all priests have fear ward. We seem to be better at picking him up when he lands tho due to exorsism / cons
Think thats them all? Thats my opinion on the bosses anyway

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.::. Karak 70 Restoration Shaman .::.
.::. Sajuuk 70 Affliction Warlock .::.
.::. Silfen 66 Beast Hunter .::.