Man, I started playing Golden Sun again, and I can't get over how good the game is, and how the music is even better! It's so god damn epic!
[VIDEO]http://www.youtube.com/watch?v=kYnhq0Ye0y4]YouTube - Golden sun Felix battle theme[/VIDEO]
I haven't played the newest one (don't have a DS, only PSP), but I LOVED Golden Sun 2. Best game for GBA