This really depends on what you are running. If you're running an eclectic mix of Windows, Linux, all running different applications and software, you might no

This really depends on what you are running. If you're running an eclectic mix of Windows, Linux, all running different applications and software, you might not get much benefit. Most of our VMs are all running Windows Server 2003 (ugh!) and the exact same terrible web application so we get pretty good savings; about 50%.