As an added bonus for PlayStation platforms, the Destiny Expansion pass will also include additional exclusive content for Expansion I and II that will remain exclusive until at least Fall of 2015.
http://blog.us.playstation.com/2014/07/07/first-look-destiny-collectors-editions/#sf3597571
http://www.neogaf.com/forum/showpost.php?p=119888278&postcount=1