The one thing you need to know about building CMS themes 

Does it support intelligent body classes? It will make your theming life so much easier, it’s absolutely ridiculous … Read about the WordPress version and the benefits of using this concept for theming purposes here: http://codex.wordpress.org/Template_Tags/body_class WordPress (2.8+): <body <?php body_class(); ?>> Drupal (originally from Zen Theme, since Drupal 6 in core): <body class="<?php print [...]