The 8 finalists (of 12?) listed in the article are:
Super Size Me
Born Into Brothels
Home of the Brave
Howard Zinn: You Can't Be Neutral on a Moving Train
In the Realms of the Unreal: The Mystery of Henry Darger
Riding Giants
Touching the Void
Tupac: Resurrection
From another source I found:
The Story of the Weeping Camel
Touching the Void is about the harrowing experience of mountaineer Joe Simson while climbing in South America.
It recently came out on DVD but for some reason has been on the local PBS station seemingly every night for the last few weeks.
Its a great documentary and an incredible story.