Mashable article on video and SEO really struck a chord with me http://mashable.com/2010/02/01/web-video-seo/
We have been seeing huge interest in our affiliate video product recently launched with our partners at buy.at. This interest has been driven in main by our ability to add affiliate links to hotspots within the video but also because of the impact video is having on search results. I expect to see a lot more on this in the coming months