Okay, just saw this appear at the top of the forum
Note: New Game Account Creation is Temporarily Offline Due To Forum Change. No ETA for return at this time.
So I guess they're aware and have no idea when it'll be resolved. =(
I'm having an issue as well. I've tried three different E-Mail addresses on two different domains. I've also done the "Contact Us" option, but only as of like 30 minutes ago... so I'm still waiting on that.