Topic: "Order by Views" and "Order by Replies"

The "Views" and "Replies" column headers in forum view could be made into links to order ASC or DESC the topics by number of views and by number of replies. The "Last post" header would need to be given the same function obviously, to restore the default order.
Just thought about it, since I finally completed the migration from my old forum, and I was curious to see which threads got the most "early views" from google