Yes, I think we do need some new sections on here..I can throw some ideas out to you too if you want..
Intellectual discussion forum: for talking about more touchy, larger issues in the world
Music forum: As they say music is life, it would be a nice part to have in the forums considering I would say 99% of the audience listen to music on a daily basis.
Fanart and Fanfics is a must..I enjoy reading that stuff and looking at people's creativity skills on forums too. =)
Roleplaying..eh? I don't really agree with at this moment anyway..I cannot give you any specifics why I don't I just don't feel the site is big enough yet to implement that idea.
Maybe adding a kind of chatroom would also be good too where the members can go and chat.