Mark Van Alst from Evident in The Netherlands have made a very nice site over the Christmas holidays which utilizes Google custom search to index over 30 Sitecore related blogs. Check it out here: http://www.sitecoreblogsearch.com/ Original post by Mark: http://www.markvanaalst.com/2008/12/26/custom-search-for-sitecore-blogs/ Well done!
Sitecore blogs, now all neatly indexed
Crawled: On January - 29 - 2009 Source