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Deprecated function: Methods with the same name as their class will not be constructors in a future version of PHP; GeSHi has a deprecated constructor in require_once() (line 915 of /var/www/ is probably the best name anybody could have to use for a podcast directory. Lucky guys.

There is a notice on the front page saying they're working on revamping the site. Of course this review is based on what I see today.

They use a multilevel hierarchy of topic categories. Browsing the topic hierarchy is an AJAX/DHTML style experience, where you click on topic names and the index automatically expands in place to show subcategories.

Anybody can add a podcast to the directory using the form on the front page.