MediaCurrent: How Drupal won an SEO game without really trying
The basics - and even advanced aspects - of SEO are so ordinary for Drupal site builders that sometimes we forget what an advantage Drupal affords us. While site owners still need to think about content quality, metadata and search terms, creating a high-rankable site is a matter of course for Drupal developers.
Here's a brief look at MediaCurrent's SEO work for a client, which also serves as a simple how-to for site builders focusing on SEO in a Drupal environment.
http://www.mediacurrent.com/blog/drupal-seo-win