The teaser is online! (Spoilers)

[potioncat]

 "zanooda2" <zanooda2 at ...> wrote:
 
> They did the same thing in PoA - there DD slowed down Harry's fall on 
> the Quidditch field also without any wand in his hand. I was really 
> angry back then, but I thought it was all Cuaron's tricks :-). Now I 
> can see it's not just him :-).

Potioncat:
Cuaron did change a lot. What I found interesting is that the next 
director said that he had to keep his movie in line with Cuaron's. I 
remember thinking that the books, not the previous movies, should be 
the canon to use.