If you're in the mood for an undiscovered gem I suggestAdam Robert's 'salt', the setting is reminicentr of Dune but the planet is a huge ball of salt rather than sand and its Anarchists Vs. Fascists and human nature and stuff - it's good! Also the Graphic novel of Watchmen is probably better then you image, even if you thinh it might be good - its better then that, really good infact! Haven't seen the film so I can't say how it compares...