Okay, new info about Dawnguard. I've found a lot of new animation entries from DLC in patch 1.6. Key features:

• Animations of crossbows now moved to folder DLC01.
  
• Mounted combat with crossbows.
  
• At least one type of crossbows will be unique with unique animation - Dwarven.
  
• Child Crying.
  
• New dialogue gestures:
  Defensive Hand;
  Hand on Chin;
  Welcome Hand.
  
• Coffin Puzzle.
  
• Reading of the Elder Scroll.
  
• Animation from the trailer of Dawnguard.
  
• Scraping tree bark.
  
• Transformation in a Vampire Lord!
  
• Vampire Lord's kill moves.
  
• "Serana holds Vyrthur". Of course Serana and Vyrthur are in-game NPC's (or something like that), but I have not found any mentions of these names in TES Lore.
  
• Snow Elf Prince ascension burning.
  
• Pour water in a way shrine.
  
• Scooping water in a way shrine.

If you know Russian language, you can read Russian translation of the list above on my site - http://www.elderscrolls.net/news/index.php/weblog/dawnguard-16/

Also, here is the full list of the DLC entries:


Spoiler

The kind and magnificient gentleman who found this info was kind enough to post this in one of the threads (THANK YOU!! you have our gratitude especially mine!!). Discuss on what you think!!!

Hope you dont mind bethesda lol. We are all super-excited!!

edit: Sorry about the spoiler if you want to see it its on page 3 of thread 30# on dawnguard. Enjoy!!

Please repost your info in here: http://www.gamesas.com/topic/1376113-dawnguard-and-future-dlc-discussion-thread-30/

Though I think someone beat you to it by a couple of hours to be honest...

Come on...you know there is a DLC thread. Besides, there are three pages on it starting with that list.

Post in dawnguard thread instead And i already posted it there,but some of this stuff sounds new to me. anyway lets discuss in dawnguard thread