Windows 7 Service Pack 1 Beta and Windows Server 2008 R2 Service Pack 1 Beta
The wait is over. You can download Server Windows 2008 R2 SP1 BETA here: https://www.microsoft.com/windowsserver2008/en/us/sp1.aspx
Windows Server 2008 R2 Hyper-V introduces a new feature, called Dynamic Memory, in the Windows 7 SP1 and Windows Server 2008 R2 SP1 Beta releases. It allows customers to achieve increased density when they’re consolidating physical servers into a virtual realm, providing them with predictable performance and linear scalability.
RemoteFX, a key feature of Remote Desktop Services (RDS) lets IT administrators deliver a rich graphics experience to end-users through virtualized desktops.