Countingdown.com has a description of the movie trailers

[heidi.h.tandy.c92 at alumni.upenn.edu]

No: HPFGUIDX 12167

It's at 
http://www.countingdown.com/movies/harrypotter/movieinfo/production?
item_id=10975
The script/synopsis is mesmerizing. 
I have to admit, I haven't been to a movie since XMen this summer, 
but I will buy a ticket to whatever they put this trailer in front 
of. Warner Bros, are you listening?

There's also a suggestion there that actor John Hurt will be playing 
Morgana on her Famous Witches & Wizards card.