Good points about virtualization.

Any complex org will have a variety of db needs, many of which can start on a virtual server and then migrate to a dedicated one as the app grows. Virtualization offers fast setup times and lower cost of false starts. When the setup, backup, and other maint routines can be automated, then virtualization certainly pays off. Seems like the reluctance comes from the undue burden placed on DBAs for managing virtual setups. Some of the automated tools, like those in Solaris, for containers and virtual boxes, certainly ease such concerns. Don't know if MS equivalents are just as useful.