Konichiiwa!
Ya Know... now that I think about it... They do kinda spoil that whole story in the beginning!
But I did notice one thing... also in the beginning, Riku beckons to him when the wave is crashing down and when he's being pulling to the darkness during teh Destiny Islands' end. Almost like he's trying to get Sora to come to the dark side with him. Thinking of that reminds me of in Monstro how Riku try to get Sora to come with him there as well.
Heh, maybe We'll find more symbolism, ne? I'll be playing it again and again for a while until KH2 comes out or I get another game. But I'm sure to find more, ne?
Ja Ne! ^_~