[shri]

I've set the users map up as follows

VB Admins - WP Admins
VB Moderators - WP Editor
VB Registered Users - WP Authors

Unfortunately, the admins get added in the default group, which is a subscriber.

Some initial code review leads me to this line in /wp-includes/registration_functions.php

        if ( !$update ) {
                $user = new WP_User($user_id);
                $user->set_role(get_settings('default_role'));
        }

I can then see some attempts to change the capabilities in the vbbridge.php file

But I still end up with everyone being setup as a subscriber - ( a:1:{s:10:"subscriber";b:1;} )

Any clues on what I might be doing wrong or overlooking?

Great mod, drop me a note if you want to do a Wordpress MU version of this, would be happy to help with the $s.