I haven't been able to log in to the forums all day with my original account (screenname johnrellis). After I enter the email address and password in the login screen and hit submit, the browser says "Redirecting" and spins forever (well, I waited 15 minutes). I've tried deleting the browser cache and cookies, with both IE 9 and Firefox 5.
I had the same problem and was able to get the admin's help fixing it, so hopefully someone will be along to attend to it soon. In my case it turned out to be an old account that was throwing a wrench in the works.
I hope Adobe can fix my original account, since it has several years of history and thousands of vanity points.
Please try it again now
I can now log in under johnrellis. Thanks! The upgraded forum software looks good, and I really like the new, working search.