From Netcraft yesterday...
"Microsoft has recently switched its main website, www.microsoft.com to Windows Server 2008 and Microsoft-IIS/7.0.
There are already around 2,600 sites running Windows Server 2008 on the Internet. Whilst some of the servers running Windows Server 2008 are at Microsoft itself, the majority are not..."
Also there have been some more great write ups on REMIX in Aus JD, Lee, Scott