Drupal was mentioned in a long thread entitled. “Drupal VS. Joomla! at http://forum.joomla.org/index.php/topic,4364.0.html.
One paragraph about Drupal in that thread I favored.
Drupal is a kind of “Lego” approach to sitebuilding that definitely has a steep learning curve.Drupal modules are complete, but are designed to do many things at a lower level. Drupal modules are combined by function to build what we call extensions in Joomla. You have to thoroughly understand Drupal modules, i.e., what they do, how they relate and how they are applied. The process is time consuming for anyone and I repeat, “definitely has a steep learning curve” to apply the modules to build your sites.
Like that! by domineaux: Re Drupal Vs. Joomla:
I have been a Drupal fan up to this time. My idea on how I would use Drupal can be manifested in the www.opensourcecommunity.org or similar. I like the way opensourcecommunity.org made used of Drupal in terms of how the registered users as well as the guests interact with each other through direct blogging or commenting.