What a Sundance it has been: shocking docs, sexy flicks, fistfights, porn-star debuts, daughter-of-art-star debuts, showdowns over cowboy hats, and all the general biz and buzz. But isn't it, ultimately, all about the movies? We saw an awful lot of 'em in 2009. Here we present a list of fifteen you absolutely must know about (along with their trailers, where available). Steven Soderbergh gets porn-y, Richard Farqua follows up Training Day, Paul Giamatti takes a to-die-for role, and some New Yorkers do their hometown proud — see all that and more in our slideshow!