PS Blog: PlayStation All-Stars delayed a month [update: confirmed]
However, the link on the PlayStation Blog article does not open up a full article, leaving that headline on the front page the only official announcement for now. We've contacted SCEA for more information.
[Thanks, Locke_Daemonfire!]
Update: The post is up now on the PS Blog, confirming the new date of November 20 for North America and Latin America. "This will let us spend more time polishing and tuning the game, and it will give us a chance to incorporate some of the great feedback we're receiving from the current limited beta to ensure we are creating the best possible fighting game experience," said SuperBot president Park Chan.