Horizon View Bundle, Horizon View Add-on to Bundle Upgrade
Details
vSphere Desktop can be purchased stand-alone or via the Horizon View Bundle ($250 per concurrent connection) or the Horizon View Add-on to Bundle Upgrade ($70 per concurrent connection).
Details here: http://www.vmware.com/files/pdf/view/VMware-View-Pricing-Licensing-and-Upgrading-white-paper.pdf