I've heard lots of 2010-2012 apocalypse conspiracy theories, but this one is the most sobering, and the most frightening by far...it seems the most plausible as well
http://www.marketwatch.com/news/story/Well-Great-Depression-2-2011/story.aspx?guid={B28B49B5-EFD1-4941-B57E-A2BA1545BA09}
EDIT...