Good profile page?
Subforums?
Redirect forums?
Powerful acp?
History of security?
Good modcp which is integrated?
Easily reportable posts?
Good PM system?
Announcements/News?
Trash can?
Low fi version?
Good anti spam?
Secure cookies?
Secure SIDs?
Secure database hashes?
Picture/avatar resizing?
Cross browser compatibility?
Good search function?
Easily editable posts?
Built in RSS?
Powerful permissions management?
Properly warn members and leave a note instead of using a crappy group mask?
Logs that aren't misleading?

Just some off of the top of my head, can supply more if needed.

As I said before, the more mods you install, the likely hood of security issues rise; the modcp is riddled with issues, and so is the report mod.

I'll cya all on monday.

~Untamed