Whitey - 6:21 am on Jun 5, 2011 (gmt 0)
I'm seeing stability across sites and on others not.
I've absolutely no clue what the reasons for the successful sites are because they don't meet the guidelines put out by Google for the Panda release. Whereas the others which are affected are closer to the guidelines.
So to answer the question re the " winners " - " No idea " .