Those lucky enough to have received the beta from Bethesda were generous enough to share some of their discoveries regarding new shouts, ingredients, and weapons, some of which Bethesda hasn't given details about yet.
New Shouts
* Drain Vitality - Coax both magical and mortal energies from hapless opponent.
* Summon Durnehviir - Summons the undead dragon Durnehviir from the Soul Cairn
* Soul Tear - Rips the soul out of an opponent and turns them into an ally.
New Weapons
* Dwarven Crossbow
* Steel Crossbow
* Dragonbone weapons - a full set including arrows
New Ingredients
* Ancestor Moth Wing
* Chaurus Hunter Antennae
* Gleamblossom
* Poison Bloom
* Yellow Mountain Flower
If you missed it, you can read about some of the information that Bethesda has confirmed for Dawnguard here. In addition to a new class of dragons, new enemies such as Gargoyles, Death Hounds, Armored Trolls can be also encountered. Within the Soul Cairn realm, some of the enemies include Bonemen, Wrathmen, and Boneyard Keepers.
Any Skyrim fans living under a rock who missed the trailer, you can see it below.
The DLC for Elder Scrolls V: Skyrim, Dawnguard, is scheduled to launch later this month for Xbox 360, and later for PC and PS3. The DLC is currently in beta testing phase for select XBox 360 players.