• http://drupal.org/project/find_path
• http://drupal.org/project/nodewords
• http://drupal.org/project/page_title
• http://drupal.org/project/relatedlinks
• http://drupal.org/project/search404 (seems broken)
• http://drupal.org/project/seo_checklist
• http://drupal.org/project/tagadelic
• http://drupal.org/project/taxonomy_breadcrumb
• http://drupal.org/project/week

These are modules that I’ve installed relatively quickly into new Drupal setups. They’re not always the best or needed but more often than not add useful functionality.

• http://drupal.org/project/adsense
• http://drupal.org/project/captcha
• http://drupal.org/project/globalredirect
• http://drupal.org/project/marksmarty
• http://drupal.org/project/pathauto
• http://drupal.org/project/token
• http://drupal.org/project/xmlsitemap (buggy but promising)