And here is a short preview of Desmond's Storyline: (Credit to: 'Nakha')
Here's some awesome gameplay:
Hey! the new Assassin's Creed cinematic video was uploaded on youtube when E3 started, but was taken down by ubisoft less than 5 mins later. Here's some pictures I found however!
Yes - the ghost guy is Altair!
**EDIT2** Here's the link anyways. However it has been removed. http://www.youtube.com/watch?v=ZOc7O...layer_embedded
The collectors edition has also been leaked on the ubisoft website: