I have no idea on whether Sasuke is going off to Orochimaru; what he says implies that he's changed his plans in *some* way, but we don't know how or what he means. But K-sensei is drawing the parallels so strongly that I suspect something more must happen between Orochimaru and Sasuke.

I think Jiraiya doesn't know Sasuke like Naruto does. I mean, how much has he hung out with him? He's only seen him from a distance, and Orochimaru, I agree, is just not like Sasuke. Orochimaru is basically a psychopath, and Sasuke is more of an emotionally normal person (well, not that normal) who's just really messed up by Itachi's psychological manipulations. So I though Jiraiya was basically wrong about Sasuke, though I thought he was right about saying that it was better for Naruto to just deal already with the fact that Sasuke had made a bad decision. I mean, Sasuke was in pain there, and Orochimaru in the flashback simply felt nothing. So obviously what we have here is Jiraiya "projecting." (am I using the correct psychological term?)

Orochimaru as Frank. -_- I h8 you, I really do.

I'm divided on the time jump, but I think it is likely based on what they said about Akatsuki. We have no idea why Akatsuki is also going to wait three years (that makes no sense), but there really are no major plot threads to be followed up on other than the continuing Sound threat and Akatsuki.