Here is my guild's MT's Blood spec:
http://www.wowarmory.com/character-tale ... us&group=1He's half the world away for the rest of this week though so I can't ask him if anything would be different for different gear level or different roles or whatever. I can say he does more research than probably anyone in my guild so he knows what he's about... the only question would be if it applies to people in lower gear or such. I know Resto Druid talent specs vary by gear, and Shadow Priest varies depending on 4 piece T10 or not.
Sadly he last logged out in his PVP gear so it's tough to get the full picture, but if it's only specs you're after... that is it.
edit: Hrm, part of me wants to say that build isn't 100% raid tanking. I know he didn't use to have the lower DND cooldown talent a few months ago. Maybe he's decided he wants it in a raid build anyway for things like Dreamwalker? It's not like he's missing out on any important talents, I guess, but... eh. I'm skeptical now!