12 Years A Slave looks outstanding. My knowledge of acting and the film industry doesn't stretch far, but Chiwetel Ejiofor is going to be an excellent actor and recognised as one of the best in the business. Incredibly impressive in everything I've seen him in so far and alongside an all star cast with Brad Pitt and Benedict Cumberbatch, I have grand expectations for this film.
The Wolf of Wall Street looks very entertaining also and I'm a big fan of Leonardo Di Caprio.
Along with those two, there's the more mainstream, 'Blockbuster' films if you like, such as The Desolation of Smaug, Carrie and American Hustle.