Seems a local lurker(?) on the board is the columnist for the NYTimes "On-Line Shopper." Perhaps, Wilbur can give us some insight?
An unusual place to see the SF Chowhound Board mentioned but there it is in today's NYTimes Circuits Section (link below).
And, no, I don't intend to start the "where can you get/what's better/east coast-west coast" great pizza debate.... See:
[BROKEN LINK REMOVED]
But here is an "interesting" attempt to solve the craving for pizza you can't seem to find if you live in SF!