I just discovered this site and the timing is great as we are just looking at starting to work with Drupal. Installing the required components looked like a daunting task, so learning about the appliance idea could be a great time-saver. Sorry if this is a dumb question, but must the appliance be installed on a Ubuntu box? We have more local experience managing Mac OSX servers and desktops. Can that be used for the Drupal 6 appliance?