Enterprises scaling out virtualization to include Hyper-V, Xen and even Red Hat KVM in addition to VMware, while adding servers, business critical applications, and support various constituents involved in these applications are finding a need to homogenize the complexity with third party virtualization management tools. Dynamic Ops a strong vendor in this space has just expanded its product to include automatic reclamation of resources wasted through VM sprawl.
Virtualization Personalization (Windows Profile Management and the management of all user customization data) is a problem increasing in market scope (XenApp, fat client desktops, and VDI), technical scope (profiles, group policies, unique user settings, unique user customizations in applications, and unique user settings in the OS), leading both AppSense and RTO to invest heavily in a layer of solutions that are focused upon managing the personalization of the environment while not breaking and reducing the value of centralized management.
VMware is trying to package Microsoft Windows out of existence by allowing applications to run in guest with no OS from Microsoft or Red Hat. Microsoft is trying to package VMware out of existence by including Hyper-V for free in Windows Server, and by providing application virtualization functionality that makes virtualizing server operating systems unnecessary.