The high-tech thriller Primer, about two get-rich-quick inventors whose time-travel device complicates their lives, won the top dramatic honor at the Sundance Film Festival.
Sundance jurors gave the documentary grand prize to DIG!, director Ondi Timoner's portrait of the friendship and rivalry between musicians Anton Newcombe of the Brian Jonestown Massacre and Courtney Taylor of the Dandy Warhols.
Awards were presented Saturday night, with top winners expected to screen one last time today as the 11-day independent film showcase ends.
Primer _ written and directed by Shane Carruth, who also co-stars _ won the grand jury prize as well as the festival's Alfred P. Sloane Prize, a $20,000 cash award for films that showcase science and technology.
The audience award for dramatic films, chosen by Sundance moviegoers, went to Maria Full of Grace, from writer-director Joshua Marston.
Born Into Brothels won the documentary audience honor. The film was directed by Ross Kauffman and Zana Briski.
The directing prize for dramatic features was given to Debra Granik for Down to the Bone.
Morgan Spurlock won the documentary directing prize for Super Size Me, his indictment of the fast-food industry that chronicles the deterioration of his health during a monthlong experiment of eating nothing but McDonald's.