steveb - 2:48 am on Feb 13, 2007 (gmt 0)

"Have you seen the same site repeat the top rank=>950=>top rank cycle more than once"

It's pages, not a site. But yes, many times. Some pages maybe seven or eight times. Others four or five times. No page I know of has been penalized every single day since the September 2005 first sighting of the phenomenon.