It would also be nice to be able to see who hit you in those last minutes(or my case hours) of the session.
I had this thought the other day too. You could probably make it so that when the round ends, everyones credits goes to 0, so you can't do anything that requitres credits, and disable access to pages such as My Vehicles, Dealership (though why would you buy a car anyway) and Classifieds, to prevent you from selling anything.