I'm thinking of upgrading from my free account to a personal account

I read a previous post in which I would have to get a domain name, but I've never had a paid account before, so I don't know how it completely works. Should I register for the domain name first, and then sign up for the personal account on t35?
I also noticed that under the Fantasico scripts, the one for Invision Board was disabled. Would that be enabled sometime soon, or was it disabled because of lisencing?
I think that's all questions I have for now

Thanks so much for your time!
-Shayna