I have heard others touch on this but I really feel like the game would benefit from a daily world boss fight and/or a daily league activity. With the start of the census apps we can look at whole leagues and see which ones have the highest avg cr and sp and such, but I would love to see a scoreboard in game with a list of top leagues in different categories. These boards could be based on daily league activities or world events. I know a dev discussion was started several months back gauging interest in open world events. These would create healthy competition amongst leagues and also may increase the amount of members on daily.
I would love to see more open world ANYTHING! I really don't care if PS3 has issues in the open world with rendering. Just don't run that content then.