The thought that I've been spinning on a lot is - what can be done to encourage players to try new things and differentiate their looks? (Avoid everyone ending up with a cookie cutter look)
I freaking love games with player avatar customization (as a designer and a player). Being able to build your character identity that is just right for you is a rare "have your cake and eat it too" scenario for game design.
Everyone is happy and gets what they want.