Well, the decision of core WordPress software developers to make the Podpress plugin one of their first few core plugins just comes from the recognition that too many WP users are dependent on it, and so its maintenance has become a make-or-break issue for people who are trying to decide whether to use or stick with WordPress. As for WordPress.com, the focus of this article, no, I don’t think they’ve focused specifically on podcasting at all. I wouldn’t have written this if there were already a good tutorial anywhere, or even some coherent advice in the WordPress.com forums.