Gee, I wonder when Hyper-V will be available.

Windows Server 2008 RC1 with Hyper-V Beta is publicly available here:

https://www.microsoft.com/downloads/details.aspx?FamilyId=8F22F69E-D1AF-49F0-8236-2B742B354919&displaylang=en

Beta Integration Components for Linux available through connect.microsoft.com:

1. Login to https://connect.microsoft.com/default.aspx

2. Click on Available Connections in the left panel.

Review the available programs and apply for the Linux Integration Components for Microsoft Hyper-V.