The IIS Search Engine Optimization (SEO) Toolkit helps Web developers, hosting providers, and Web server administrators to improve their Web site’s relevance in search results by recommending how to make the site content more search engine-friendly. The IIS SEO Toolkit includes the Site Analysis module, the Robots Exclusion module, and the Sitemaps and Site Indexes module, which let you perform detailed analysis and offer recommendations and editing tools for managing your Robots and Sitemaps files.
Here's another good read for ASP.NET developers: Search Engine Optimization with ASP.NET 4.0, Visual Studio 2010 and IIS.
Just finished reading "Professional Search Engine Optimization with ASP.NET: A Developer's Guide to SEO" by Cristian Darie, Jaimie Sirovich, ISBN 978-0-470-13147-3. Highly recommended!
I just stumbled upon this SEO cheat sheet, thought it may be interesting for all group members:http://static.seomoz.org/user_files/SEO_Web_Developer_Cheat_Sheet.pdf