@Lord Thane @TheKeeper No idea how hard this would be to implement, but I think it would be kind of cool to have a side KHOF that shows who has killed the most units? Maybe have total units killed, total gold/iron/wood cost?
For some of the people who just chase rankings, might give a little more incentive to break off from giant alliances. Plus I've seen some gnarly BR's that are more impressive to me than sitting in the top 30 KS wise.