These proposed sessions for DrupalCon Chicago have DGD7 authors participating:
http://chicago2011.drupal.org/sessions/what-s-wrong-drupal (Bojhan Somers)
http://chicago2011.drupal.org/sessions/administrative-interfaces-ux-not-just-front-end (Jake Strawn)
http://chicago2011.drupal.org/sessions/future-grid-theming-drupal-7-and-beyond (Jake Strawn)
http://chicago2011.drupal.org/sessions/understanding-semantic-web-and-drupal (Stéphane Corlosquet)
http://chicago2011.drupal.org/sessions/d7-views-examples-arguments-relationships (Michelle Lauer)
http://chicago2011.drupal.org/sessions/creating-automagical-display-elements-maximum-control-minima... (Michelle Lauer)
http://chicago2011.drupal.org/sessions/drupal-7-interface-patterns (Bojhan, Yoroy)
http://chicago2011.drupal.org/sessions/glue-code-drupal-7 (Florian)
http://chicago2011.drupal.org/sessions/consumer-contributor (Susan Stewart)
http://chicago2011.drupal.org/sessions/advanced-drush (Moshe Weitzman)
http://chicago2011.drupal.org/sessions/wordpress-drupal-using-migrate-2 (Moshe, Mike Ryan)
http://chicago2011.drupal.org/sessions/drupal-framework-vs-drupal-platform (Moshe)
http://chicago2011.drupal.org/sessions/git-phase-next-promised-land (Sam Boyer)
http://chicago2011.drupal.org/sessions/when-there-s-not-module-building-drupal-7-modules (benjamin melançon, Stefan Freudenberg)