And this is different from every single 5-man how?

Spell reflect is on what? A 10 second cool down? The warrior tanks I've run with are struggling in this instance. Shoot, it isn't super easy on my pally either. As for you comment about reduced spell damage as a warrior... Unless you picked up the extra points for more spell damage reduction (which I know a lot of prot warriors skip for other talents), then you have 10% reduction from defensive stance (and it is what 16% with improved?). As a pally I have 10% reduction right off the bat (6% from improved righteous fury, and 4% from spell warding). Then I get the 3% chance to resist spells entirely from pursuit of justice. And then I get the ability to pop an aura to lower my damage from either: fire, shadow, or frost. Warriors aren't really all that far ahead on spell damage reduction.

Still I like the instance and it is a nice change of pace. I just think it is pretty rough for warriors, and I would imagine it is just dreadful for a druid.

I was terrified of it until I actually ran it last night. There's no clear distinction between Pallys and Warriors there. Being able to "tank" a caster 20 yards away with nothing but well timed spell reflects is awesome. Sure every pull is 4+ mobs but as a warrior it's nice not having to do LoS pulls every single time to clump for consecrate.

BTW, PuG + Delrissa with lock/fury warr/MS warr/hunter = 8(