Google now has it’s own SEO specific blog, Official Google Webmaster Central Blog, dedicated to helping you help yourself to search engine page ranking success.
Matt Cutts recently shared “How to verify Googlebot” when it visits your site. “Debugging Blocked URLs” helps you undertand how to debug your robots.txt for crawl errors and URL restrictions. Vanessa Fox offers “Setting the Preferred Domain”, step-by-step tips on how to specify how you would like the URLs from your site crawled and indexed on Google. And she offers “How search results may differ based on accented characters and interface languages”, an excellent article on how accented characters found in many international words and languages are offered with and without the accents to increase their search result coverage.
Some powerful and fun insights into how Google works and how to make Google work with your site.