CMS are often categorized by the use-cases they cover, usually grouped by "complexity". So we see a lot of CMS taxonomies that bucket products into "Enterprise/Small Business" or "Simple/Medium/Complex".
On Jan 5th 2011, the Drupal community all over the world celebrates the release of Drupal 7. We all expect that its features are significantly improved. But the greatest enhancement, in my opinion, is the User Experiences.