So what are thin MacBook owners doing? 500GB is not enough. I need at least 2TB. And other than an external option, I'm not sure what to do with all my movies and photos and music. My only option is to get a unibody MacBook Pro 13" and replace the internal SuperDrive with a 2TB Seagate Slimdrive. Not an ideal solution. I love my MBA. But iTunes just doesn't like a split library. It's an all or nothing deal, making an external iTunes library a PITA. Ideas?