From the well-respected Planet Ocean SEO newsletter:
Search Engine News - SEO Optimization Strategies from Planet Ocean · www.SearchEngineNews.com
Google has announced they will begin notifying you if and when they make a cross-domain URL decision involving your site. When similar or duplicate content is present across more than one domain, Google chooses one of the URLs to index. When this cross-domain URL decision is made, some of your content may not be getting indexed in favor of another URL. /Quote
It looks like Google will be cracking down on doop content soon. This would lead us to believe that spinning may be more important than ever.
However, I also believe Google will try to crack down on the typical "spun" stuff.
Be sure to re-read my spinning methods using Tuelz.
-Boom boom boom boom.