XBMC / ITUNES questions?

I’m on a pc with iTunes…and then there’s my ATV2…my understanding is that XBMC will only stream music via iTunes…having said that…should I use XBMC to stream all my content to my ATV2… I’m a little confused on how to set this up once XBMC is installed…the main reason I ask this is that it appears that XBMC has the leg up on functionality…