Sessions I'm attending, if they don't conflict:
http://portland2013.drupal.org/session/making-support-fun-and-profitable
http://portland2013.drupal.org/session/dependency-injection-drupal-8
http://portland2013.drupal.org/session/rest-and-serialization-drupal-8
http://portland2013.drupal.org/session/upgrading-your-modules-drupal-8
http://portland2013.drupal.org/session/using-twig-new-template-engine-drupal-8
http://portland2013.drupal.org/session/drupal-whitehousegov-open-source-open-data-federal-space
http://portland2013.drupal.org/session/charting-new-direction-why-ceo-matters-more-developer