I just logged in with my old GAC info, never signed up again or emailed anyone or anything, I just went & logged in.
The only thing I want to know about the new site is if they finally got rid of that nonsense of the download limit constantly zeroing out, even if you never download a single thing, and then the only way to get it back is to have an admin log in to your acct & reset it manually. That error went on for literally years upon years. That's why I stopped wasting any time with GAC & was glad when DCM popped up.
Don't get me wrong, I understand that bugs happen, but I have never seen a case where a bug lasted for years without anyone being able to fix it.