At 55, I started off with: [Only registered and activated users can see links. ]
I didn't move to Outlands until 59, instead working on some of the chains in WPL and EPL since it was right outside the DK starting area. At which point I had: [Only registered and activated users can see links. ]
At 68, move on to Wrath content, as well as switching from the blood tree to Unholy: [Only registered and activated users can see links. ]
The glyphs I had given to my character from a bank alt. If you do not have the means to purchase all these glyphs, I'd say to get at least the Glyph of Death Strike to boost damage output.
77: [Only registered and activated users can see links. ]
Hey, flying mount time (if you can afford it.) Not much changed, still going down unholy tree. Last two points for 78 and 79 were put in toughness to boost Bladed Armor.
80: Congratulations, do whatever spec you like now.
Notes:
I used Frost Presence since it was buffed, and it does boost bladed armor so there isn't much damage loss from not using Blood Presence.
Rune Tap: some people use it, some don't. I personally liked it for an easier time soloing elites (20% of your health every 30 seconds with improvement is quite nice.)
AoE grinding is possible still, I personally prefer the blood tree for the majority of the points.
