It's fairly confusing, unfortunately. The "reveal" that was supposed to come on 8th either never came or was just "yeh we're makin a movie".
The official news comes from:
http://www.younganimal.com/berserk/http://twitter.com/berserk_projectOccasionally you might get some leaked information elsewhere, but so far it's only been those few screenshots leaked last year, and the magazine scans recently that got leaked early.
I've read all sorts of conflicting "reports" on how many movies / what material they will cover, so I have no idea. I've seen poorly attributed quotes of how they intend to film the whole saga, backed by claims that Miura can finish up the manga within a couple years (lol yeh right). I wouldn't take any specifics seriously right now, it's still largely within the realm of rumour bullshit.
At the very least we're getting a golden age movie in 2011 animated by one of the very top animation groups in Japan, Studio 4°C
http://en.wikipedia.org/wiki/Studio_4%C2%B0C.