BuddyPress.org

Woa! Just checking back on this. Ok so here are my responses

Do your directories work? Members, Groups, Blogs? Or is this just the widgets? Yup directories work fine, and the ajax even works on member themes (most of the time)

Is this a WP theme or a BP theme?WP Theme – custom

Is this the standard out of the box home theme or a modified theme? Modified, you can see here: http://fanster.com

Anything in your apache/php logs? Nothing that I can pinpoint

You on a shared host?Self hosted

What version of BP and what version of WPMU?BP version Beta2, WPMU 2.7

Can you point me to your site? http://fanster.com