What you think about reforging?
Me myself as protwarrior just cba atm, i'm all fine tanking all the endgame content without reforging for mastery. Tho i reforged 2 items for hit expertise cap.
Not realy seeing any benefit from this yet as most of my gear already has the desired specs included and you can't add to what is already there. We'll see.
I traded in some haste on a couple items for hit or expertise to reach soft caps, but think the real benefit will come in cata with wpn's that have mastery on them already,
mastery is a good thing for a death knight tank. althogh i wouldnt reforge just for it. if you dont know what a blood spec death knights mastery is, itsblood shield. what it does is every time you use death strike, it makes a shield for at least 75% of how much you healed for when you used the ability. in patch 4.0.1 it became a stackable physical shield.