Is there an easy way to do this, with either Drupal or Joomla? I've got a site created already and I dont want to lose all my work from it...
The easiest way to do this is to use a new Dreamweaver Extension for Drupal theme creation, the Drupal Dream Theme Utility Suite from www.DreamweaverComponents.com. With this component you can open up your Dreamweaver Template and simply insert the Drupal variables from the Insert Bar where you want them to go, even in Design View. For Joomla, there are several resources available here: http://www.justdreamweaver.com/dreamweaver-joomla-tools.html Hope this helps!
pod has a good solution. you may also want to check the web as many of the templates in joomla are also drupal. maybe you can find something similar. not spamming my sig, but the best investment I ever made was the software below. unless i need something really different, i don't ever have to worry about templates. there is like thousands of combinations with it.
How to define sites for Drupal theme development at http://themegenie.net/Dreamweaver-Site-Definition-for-Drupal-Themes