I thought this was a bit of a letdown. It's retreading the plot and structure of the first one with some minor twists added and a different ending, so its not seen as the blatant copy it actually is. By having the same structure as the first movie did, most scenes before the 1 hour mark feel like filler and most after feels like a copy of the first movie, slightly amped up. To me it felt too much like the first one, a feeling I last had watching Transformers 2 - and that is not a good thing, as I avoided the sequels. Though, to be fair, it was mostly because Transformers 2 was very annoying.
The movie felt long. Really long. I think it could have been 40 minutes shorter and it wouldn't lose any important things while actually giving it a better pacing, as the movie feels just stretched out just so it runs over two and a half hours. And because of that stretching, the ending feels like it came really quick and was over before I realized it. The ending also leaves you hanging, desperately wanting you to want to see both parts of the final movie, both being released in a November (2014 and 2015), taking the route of unnecessarily stretching out the lifespan of the movies like it's usual now.
I don't understand why they think they need to do this. The Harry Potter movies, a franchise with a similar target audience, had the two parter finale released in a span of 6 months. Even the Matrix sequels came out in the span of 6 months. Both were very successful and at least the former was beloved by most who saw them. Maybe it's because of Twilight, as its two part finale was also released in a November (2011 and 2012).

But for now, until both sequels come out on DVD/BR, I don't have any interest in seeing (or even reading) The Hunger Games in the foreseeable future.