The good news is that the dissonant moments were very sparse, and almost always the action and the characters drew me right back in.
prettypammie pointed out one thing that bothered her about the plotting--one of those central things to the story that has to happen, but that just doesn't make sense given everything else we know about a character's motivations and behavior. No, I'm not going to tell you what it is; I'm not sure I see it the same way, though. She's probably right, though; she usually is. Infuriating, isn't it?