I was thinking that its perhaps now time that we add room rankings and some other contest statistics for every contest and user. Now that we regularly have 1000+ users participating in the contests, and that rooms are divided according to division, I think its time we started giving importance to room rank as well. This will also act as a boost for Div 2 participants who (often) cannot perform well in regular rounds.
Also, statistics like, percentage of users solving a certain question, etc, could also be included for each contest. It is quiet interesting to go through these stats on Topcoder.