Creating Drupal themes is all we do. Contact us for theme customizations, and check out our Drupal theme store. All our themes have plenty of customizable regions and are standards compliant and thoroughly cross-browser tested. We also specialize in Drupal + Ubercart e-commerce themes.
We recently created the Drupal themes for Amnesty International, WITNESS, and the MeNotMeth campaign, but are focused now on bringing amazing Drupal themes within reach of small businesses and organizations.