Best in slot gear for DK dps:
Kourosh
-T10 tokens (heroic (4)) Head, Shoulders, Gloves, Chest
Neck- Penumbra Pendant (heroic)
Back- Winding Sheet (heroic)
Wrist- Umbrage Armbands (heroic) or Polar Bear Claw Bracers (heroic)
Waist- Coldwraith Links (heroic)
Legs- Scourge Reaver's Legplates (heroic)
Feet- Apocalypse's Advance (heroic)
Finger- Might of Blight (heroic)
Finger- Ashen Band of Endless Might
Trinket- Deathbringer's Will (heroic)
Trinket- Sharpened Twilight Scale (heroic)
Weapon- Bryntroll (heroic) since shadowmourne doesn't exist