Earlier this week we released the Hyper-V RC1 package to the connect.microsoft.com site. What has been improved: In addition to bug fixes and stability improvements we also made some additional changes largely based on feedback from customers Integration Components For Windows Server 2008 guest’s included in Integration Services Setup Disk New Graphics for Hyper-V Manager and Virtual Machine Connection – including a “Now” icon in the snapshot pane IPv4 Address Migration - when creating a new Virtual...(read more)

Read the complete post at http://scug.be/blogs/scvmm/archive/2008/05/21/hyper-v-rc1-released.aspx