Trying to put the human element back into this and I realise I have missed the mark a little and it just sounds cheesy but, what about something like
MyUbuntuBuddy.com
(Available)
As in, "I am stuck. I know I'll ask My Ubuntu Buddy."
Or in forum threads you can link to answers on this site by saying
You can find out more from My Ubuntu Buddy.
It is supposed to feel like you are referring to a good friend who knows about Ubuntu rather than yet another knowledge base site.