Just a bunch of things that caught my eye this morning:

Hyper-V Failover Clustering Options: http://blogs.technet.com/josebda/archive/2008/06/17/windows-server-2008-hyper-v-failover-clustering-options.aspx

Microsoft App-V (SoftGrid) 4.5 RC Available: http://blogs.technet.com/virtualworld/archive/2008/06/17/microsoft-application-virtualization-4-5-release-candidate-is-now-available.aspx

Update released for Config Manager to fix issue with June Security Updates: http://support.microsoft.com/?kbid=954474

To Dep or not to DEP: http://blogs.technet.com/askperf/archive/2008/06/17/to-dep-or-not-to-dep.aspx (in fact the whole Ask The Performance blog is worth reading every time they post)

Performance tuning guidelines for Windows Server 2008 now include Hyper-V & Power: http://www.microsoft.com/whdc/system/sysperf/Perf_tun_srv.mspx

All topics performance - a great blog discussing various performance bits and bobs: http://blogs.msdn.com/tvoellm/default.aspx, if you want just the Hyper-V performance stuff, use the tags: http://blogs.msdn.com/tvoellm/archive/tags/Hyper-V/default.aspx