Definetly worth a look for anyone using "shared" resources:http://www.seoguide.org/seo201-duplicate-content.htm
-Boom boom boom boom.
Fortunately, we have the Tuelz to totally erase duplicate content!
Blessings,
Ed
http://googlewebmastercentral.blogspot.com/2006/12/deftly-dealing-with-duplicate-content.html