Just a thought for future releases, but I think a nice feature to see would be the option to have different types of posts. For instance, currently a post can either just be a regular topic or a poll. But I was thinking that maybe it could go one step further to say whether the post is a question or not. This way when the post is tagged as a question the user can let the topic go until and mark the topic off when the question has been answered. I have seen this done on other websites and I really think it would be a useful feature to add to IPB especially to those customers who use the software as a support area.

A user could tag his post as a question by choosing the question mark post icon. I've also noticed that some people change the title of their topic after their question is answered.