Heavenly sword was actually an XBOX game
http://xboxmovies.teamxbox.com/xbox/1169/Heavenly-Sword-Prototype-Footage/
Can't embed. ^ 2004 footage.
For all those that say Heavenly Sword copies/d off of God of War, the game was in production since 03, but the original God of War didn't launch until March 2005. No one in this thread has said that, but you get that a lot when speaking about this game.