Today Citrix announced the release of XenDesktop 4, their next generation Virtual Desktop solution with the promise of being able to deliver a right sized desktop to any user in an organization. Along with 70 enhancements and new features, Citrix is positioning XenDesktop as the most flexible and open architecture solution supporting all types of client devices and hypervisors including Citrix XenServer, Microsoft Hyper-V, VMware ESX and vSphere.