- Spam filter in forum: option to not only ban the users but also delete them (additional checkbox if the user has the rights to delete a user)
- ACP: User common searches accessible directly from Home screen (e.g. on the place where "User Advanced Search" sits
- ACP: a link to search the posts from a user available in the user profile
- Registration: support for Maxmind databases
- For admins with several forums it would be really nice if there was a way to have a central table of banned emails shared by several forums. Everytime I add an email I have to add it 30 times.
- user group rights to disallow URL and IMG in profile/signatures/posts to minimize the damage if the spammers gets through. And yes, I know about nofollow, but some spammers post links to malware