This new service is Drupal Gardens. Right now it's in a pre-alpha stage, so discussing launch-time features is a bit premature, but in general Drupal founder and Acquia member Dries Buytaert says to ...

Acquia Content Management System (Acquia CMS) is an open source, composable CMS for managing digital content and experiences. It is powered by Drupal and optimized for the Acquia platform. Acquia CMS ...