Quote Originally Posted by The Summoner of Leviathan
I played CoM and I am at Atlantica now, I think I have like one or two more worlds left to beat as Sora. I have no experienced much for plot elements though, besides that which fuels the game, but nothing too significant for the overall feel of the series.
You won't find any of the really serious plot elements until somewhere in the middle of Reverse/Rebirth mode. Sora's quest is pretty much rehash from KH1.