You might find this SEOmoz post helpful: http://www.seomoz.org/blog/getting-seo-value-from-your-affiliate-links.
Posts made by mjtaylor
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RE: Do incoming affiliate links help with SEO?posted in Link Building
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RE: Same H1 tag in header across entire siteposted in On-Page Optimization
Just in case you don't already have enough feedback: No, don't do it! The h1 is not the most powerful onpage element .. I think the title tag gets that award -- but it can be a useful factor. It should be written for the user - think newspaper headlines!
And just as each page should have distinct content, and a distinct tile, meta description, etc, so it should have a distinct, effective, h1 tag.
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RE: Are links from flash sites worth anything?posted in Link Building
Google's blog post indicates it may very well be able to follow a link: http://googlewebmastercentral.blogspot.com/2008/06/improved-flash-indexing.html.
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RE: Page Shaping - No Follow Linksposted in On-Page Optimization
It's true that you cannot use the NF attribute to funnel PageRank in Google - if you want to read a little more indepth on the topic, this 2009 post by Google's Matt Cutts is fo value: http://www.mattcutts.com/blog/pagerank-sculpting/.
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RE: New folder structureposted in Intermediate & Advanced SEO
I would 301 all the pages; it's "best practice," IMO.. The old pages had juice just from the fact that they existed; ie. inbound links aren't the only value you want to preserve. And, as ASR points out, best to avoid the 404s. The redirects are not just for the PageRank, but to allow search engines to easily reindex the content.