Only 1,300 (exact match) searches per month at the moment. It could be one for the future if the recession triggers a backlash against all things consumerist
I'd imagine the kind of content that Michael Moore covers in his books/films... or stuff like "Supersize Me"? You could monetize it with Amazon links to related books/DVDs
(Sorry don't have enough experience to guess a value. Hope that's useful)
Cheers, Jon