Citrix XenApp 6 for Windows 2008 R2 Tech Prev.
Here it is ! We were waiting for this one since few month now and Citrix just release the Technical Preview for XenApp on Microsoft Windows 2008 R2, XenApp 6.
Few things you need to know before beggining to test : Windows 2008 R2 is and will remain only 64bit OS. XenApp