As well known, the first version of Hyper-V lacks a key capability for many (all?) enterprise customers: the virtual machines live migration.
In an attempt to address the complains from its user base and the critics from VMware, Microsoft announced today that the next version of its hypervisor, included with Windows Server 2008 R2, will have that feature.
The new version of the OS anyway is expected no earlier than 2010 according to ZDNet.
Microsoft will show this feature today during its launch webcast at 9am PDT.
Update: The videos of the event are available here.