Thanks for the answer JohnD but I meant something a little different. Let me explain my concept. Other forums like GetSatisfaction have this feature. Also, it was suggested here.
http://community.lithium.com/t5/Product-ideas/Float-Message-Within-a-Thread/idi-p/6400
When a thread gets very big, it can be difficult to find the answer. We want an option to float an answer (or official staff response in some cases) to the first page of the discussion just after the original post. Of course, you have the "go to solution" feature but this is difficult if the solution is not the staff response, or if there is more than one correct solution. Alternatively, I've seen a "popular" tab in some other communities that allow you to view the most popular replies instead of all replies. In the case of Lithium, these could be "most kudoed" replies. Something like this:

I was told by Xavier and Kevin Kendall that this would be included at some point. Do you have an update?