I just found the Vampire perk tree on Gameinformer.
I'll just place it on here and let you guys enjoy it.
Should you choose to embrace the dark gift in the Elder Scrolls V: Skyrim - Dawnguard, these will be your specialized skills.
During my hands-on session of Dawnguard, I paused the game for a minute to check out the skill tree of the level 29 vampire lord Bethesda created for the demo. Here is the list of perks he had for his vampiric form:
Aw maaan, those perks are super awesome and would definitely come in handy. I'm loving the Night Cloak and the Mist Form with passion Oh and the Vampire Grip...yes, the Dark side of the Forse is strong with this one...
I'm not so sure the Dawnguards are going to be a warewolf organisation as most of the fractions that hunt supernatural creatures tend to ...well hunt them all, not just the vamps. Maybe they would be something like the Vigilants of Stendarr. Also they would probably have one of the 8 divines as a patron of sorts since the vamps have Molag Bal at their backs, and the warewolfs are children of Hircine
They fight in the name of Meridia in that case, BEGONE YOU FOUL UNDEAD, something like that they will be then. But it has been confirmed now that they probarly aren't going to be werewolves to compensate for their lack in awesomeness, but that they will get more crafting options and armored trolls.