Busch Gardens has started advertising Verbolten on their home page: http://buschgardens.com/bgw/
Busch Gardens has also updated their Verbolten page to include all 3 teaser trailers as one video: http://buschgardens.com/bgw/Explore/Rides.aspx?id=2170
It's not that steep, I'd say 60 degrees, but the straightaway (bridge part) drops away really quickly, which I think will provide an excellent pop of ejector air.
I must say, I didn't know cameras could see more than 6 years into the future.
EDIT: Also, is this a mirror image or something? It looks like Leviathan is going the wrong direction.