Originally Posted by Borias
If it's still going to be 7 books and he's written 5, he already should know mostly what he needs to write, it's just getting to the end, and finishing it. Unless he really doesn't know yet....and then we're all fucked.
Seeing as nothing happened within the 2000 pages of books 4 and 5 I think it's a pretty good assumption that he has no idea where to go from here.
Nothing happens in the sample chapters I've read from the next book either.