Web Developer, PHP, Drupal, Symfony.

Site oficial:
http://www.drupal.org
http://drupal-br.org

Pesquisa feita pela IBM para escolher um CMS para desenvolver novo projeto:
http://www-128.ibm.com/developerworks/ibm/library/i-osource1/#N10245

Empresas especializadas em projetos com drupal:
http://www.lullabot.com
http://www.acquia.com/
http://awebfactory.com.ar
http://growingventuresolutions.com/
http://www.chuva-inc.com (nacional)

Showcases: http://drupal.org/forum/25

Vídeos
http://aaronwinborn.com/video-term/drupalcon-dc
http://drupal.org/node/385952
http://www.theartlab.net/podcast/drupal-school
http://blip.tv/posts/?topic_name=drupal
http://www.lullabot.com/videocast
http://video.google.com/videosearch?q=drupal

Apresentação dos temas prontos:
http://mashable.com/2007/09/19/drupal-2-column/

Apresentações power point
http://www.slideshare.net/markpeak/drupal
http://www.slideshare.net/drumm/maintaining-your-own-branch-of-drupal-core
http://www.slideshare.net/merlinofchaos/drupal-6-theming
http://www.slideshare.net/manugoel2003/drupal-best-practices
http://www.slideshare.net/guest3a6661/translating-drupal