Is it on the top of our todo list? No. It would require quite a bit of log parsing. We'll keep it in mind, but have a few other things of higher priority at the momment (User transfers for one).
That's cool, maybe the DA guys can get some ideas from that (it's open source, so that should make it easy). It would have to be broken down by domain usage though so each user could get their stats for their domain only.