Be sure to #ff @fictionalley for live updates of today's WB Studio Tour press conference in London (29 March 2012) beginning at 2 pm GMT.
Update: Here are some pictures from the event:
Hogwarts model
Wand display at Ollivanders
Evanna Lynch and Warwick Davis at the press conference
Tom Felton and Rupert Grint at the press conference
David Yates and David Heyman at the press conference
The main doors of Hogwarts with press conference participants
And check out FictionAlley on Twitter (@fictionalley) for more pictures!