The ease in which we can create new environments with no additional effort or training required. We have been using it for almost 2 years now without any issues nor complaints from our end users. It has saved us lot of time in creating different enviroments including live/test ones as well to help run load tests etc. There are few features missing but they will be included soon according to feedbacks received so far. I would say this tool meets all our requirements at present till date. Not much other than what was mentioned above i wish could be added like ability to add more nodes into an existing environment along side enabling HA replication between them when needed also if possible support multiple hypervisors such as KVM & Vmware should be supported too. Creating test enviroment very quickly through user friendly UI alone takes less then 5minutes! And thats exactly how easy its done once you get used to it.