Wow, so this is really just about to release, eh? Been an interesting beta.
This one's already gotten about 80 hours from me, I'll have you know.
As for problems..... I cant really think of anything major at the moment. Maybe a couple of small things, but nothing that's a big enough deal to worry about right before release. Not much in the way of balance issues, either. Far as I'm concerned, this seems to be in a pretty good spot right now.