This is absolutely a delightful film. The ensemble is made up of Steve Carrell (as you've never seen him before - in a serious role) and Greg Kinnear lead, with Toni Collette as the mother trying to keep it all together and Alan Arkin as the drug using grandfather. There is a teenage son who doesn't say a word (this is brilliant acting) and of course, the little girl (Abigail Breslin, who you may recognize from Raising Helen and some Law & Orders).
This great film is about a seriously messed up family driving from New Mexico to California so their daughter can compete in the "Little Miss Sunshine" child beauty pageant. It's painful, hilarious, and a truly sweet story about what you do as a family to help the ones you love. It is rated R for some strong language and 2 scenes with drug use. This is not a family film, but it is a film about family. I will definitely buy this on DVD when it comes out, and I hardly say that about any film.