This is really in my opinion the best extension for building and managing content! Uses the standard joomla core, so you can do what you did before and you can use PI for some specific sites. But for article management and site management the tree is brilliant! For Drupal and Typo3 users the best and most helpful extension for building up quick and easy content, without the separation between:
Last but not least also a great support!!! Hope that some features will built in Joomla 1.6...
Keep on doing like this!