Same...never heard of the books until the movie.
Anyways, went and saw the movie last night. I sorta chuckled at this thread, because every time Katnip grabbed a bow I payed more attention to her form then I did the actual scene

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Apparently they brought in an Olympic archer to teach her how to shoot, so take that for what its worth.
As for the movie, it wasn't to bad. People have complained that it was slow, but I prefer movies that take their time. This wasn't an "action" movie by any means...more of a "young-adult drama", and that's exactly what the books were. Very much like Twilight in that regard, but overall a more quality product, one much more approachable by people outside of the target demographic.
I would have preferred more time be spent on the other tributes, so you at least get a better understanding of their characters, but due to time constraints that simply wasn't possible. I guess I'll have to read the book for more depth in that regard.
There were also a couple sequences where it feels like they lopped off 10-15 minutes of the movie, because I was left wondering how things got from point A to B...in a figurative sense anyways. Once again, reading the book will probably enlighten the subject a bit.
I read a brief summary of all the books after seeing the film, and I'm wondering if the next 3 films are going to be any good. The subject matter of the latter books is not nearly as original as the first, and some of the character development that takes place will certainly leave a bitter taste in the mouth of your average movie goer. Anyways, time will tell.