People are always hard on the movie as it doesn't live up to what is in our head and as everyones head is different then the movie can rarely win
Having said that I love watching my books up on the big screen it's probably something to do with knowing what happens next or thinking I do.
There are not many original scripts around in hollywood these days if its not a sequel or a remake then its based on a book. Some of the books that I've read that are being made into a movie soon are The Hunger Games, The Passage, Drive and Odd Thomas. Some others coming that are based on books I haven't read are The Grey man, The Great Gatsby(again), The Big Year, Cloud Atlas, World War Z, Rum Diary and Pride Prejudice and Zombies.