It brought up a bunch of the mysteries, but it seems like it squashed all but the obvious one at the end by the time the two hours was up. I also like the current people, they're great, what makes Alias, but how many times have we seen everyone have to come together around Sloan for some wild reason, have them all groan about it, then forget about it in a few episodes where he'll then betray everyone to accomplish one of the goals for his endgame™?
-- Also, I was kind of irratated that he supposedly went to all that trouble to find "The Artifact" or whatever he did last time, only to find out that it didn't really mean anything, just a bribe so he could go back into the CIA with some power.