Posted up the new video that features some footage from both days of the event. Go to:
http://www.serious4x4.com/videos
The first one in the list is a 5 minute clip of highlights from the 2007 Hummer Adventure Challenge, and includes some footage of bison running with the truck, two guys capsizing their boat during the canoe race, some cool wheeling during the obstacle/skills competition, and more... check it out!