http://www.webmasterworld.com/google/4261944.htm http://www.webmasterworld.com/google/4273051.htm http://www.webmasterworld.com/google/4274857.htm http://www.webmasterworld.com/google/4272916.htm

/\ For non-URLed discussion of dozens or possibly hundreds of legit sites which were hit.

Today's Wired article gives some more specific examples:

http://www.wired.com/epicenter/2011/03/google-spam-side-effe...