wheel - 12:36 pm on Jun 9, 2010 (gmt 0)
. Meanwhile the sites that were ranking because they have lots of quality written content and didn't rely on backlinks are staying the same or moving up.
The only time you'll rank primarily due to content is in very uncompetitive markets. So the people that are crowing about how their quality content kept them ranking are either ill informed, actually have strong backlinks, or are not in competitive markets.