Same old story.

My Ubuntu One account is from 2009 (back when they were running a file sync service, remember that?). It's also got Launchpad connected to it. So I don't want to try creating a different Ubuntu One account just to try to link my old forum account, because that would undermine the point of SSO.

My old (2006!) profile is at
I can list the possible email addresses that might be attached to that account via PM, if necessary. Some of them I might have lost access to.