Though I trust Yates to make these last two films as amazing as he possibly can, I hope he doesn't censor too much of JK's vision, just for a PG rating... because the last two books are not PG.
For example, in the book, the statue behind these ministry officials (and nasty Umbridge!) is supposed to be a throne, upheld by Muggles, (men, women and children) — who are completely naked. I see they're fully clothed and mostly men here...
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For your viewing pleasure:
http://trailers.apple.com/trailers/wb/harrypotterandthedeathlyhallows/