4.3 brings a new dungeon set.
Warrior: http://ptr.wowhead.com/search?q=dung...c+06+-+warrior
Paladin: http://ptr.wowhead.com/search?q=dung...c+06+-+paladin
Deathknight: http://ptr.wowhead.com/search?q=dung...e+c+06+-+death
Full tanking item list for items post patch 4.2.2 http://ptr.wowhead.com/items?filter=...#head:0-2-23+1
Full 378 dungeon set (shield, rings, etc.) http://ptr.wowhead.com/items?filter=...;rf=1#0+8+16+1