My another ideas comes as the followings:
* Like the Post icon, let users select what the type of post belongs to. Such as 'Question', 'Answer', 'Request'...etc. and these types could be defined by moderators on a board based basis. (Of course the administrators defines the priviliege to grant to the moderator or not)
Thus, we can easy find the types of posts we want. It can be used to narrow down the search engine loading.
* Add a user behaviors based credits system. To accumulate the user's behaviors and usages of the forum into a special credit system on a site basis. So each of you can define how many credits to grant on what behaviors the user had done. (The current user management is so simple as it has only counted the number of posts the user had posted.)
* Add a 'List posts replied to me' to show all posts replied to the thread you have joined. This is like the Email all replies to my real email address features but only activated when users request to list on their login time.
