Kingdom Hearts: BBS Superior to KH: 358/2 Days "Overall Quality"?

[Severance]

most of the Storyline in "358/2" and the "Chain of Memories" i knew about when i was reading EVERY SINGLE ONE of the character profiles in Kingdom Hearts 2 , but i don't remember what exactly happened to "DiZ" which is "Darkness in Zero" which is actually "Ansem the Wise"

So in other words.... yes it will be a better game because its storyline is new and not been told before.