Oh. My. Holy. Goodness.
Don't tell me you have not seen this. Don't tell me...
I've already seen the movie (and may go see it again!), but watching the trailer still gives me GOOSEBUMPS!
If you haven't gone to see it yet, and you've read the books, and you're a big fan, and...well, I only have this advice to give: Bring KLEENEX TISSUES!
That is all.