BOA (Barracuda Octopus Aegir) - powerful for self-hosted Drupal

This month, we will be talking about self-hosting Drupal on a VPS. Specifically, we will be discussing BOA (Barracuda Octopus Aegir). We have discussed this topic in the past ( i.e. http://browarddrupal.org/PastMeetings/july-2012 ), and we will be discussing the latest changes to BOA 4.0.1