By Chris Nashawaty
Updated March 03, 2010 at 05:00 AM EST

Precious: Based on the Novel Push by Sapphire is a harrowing nightmare of domestic abuse so bleak it’s a miracle director Lee Daniels finds a glimmer of light at the end of the tunnel. The disc’s loaded with great EXTRAS like Sidibe’s powerhouse audition and a chat with the film’s A-list backers, Tyler Perry and Oprah Winfrey. A-

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