Adam in the team met with Bill Karagounis who is responsible for the performance enhancements in Windows Server 2008. He talks about some of the improvements that they have made in networking and Terminal Services plus a lot more details.
Very cool and some great tips to make your Windows Server 2008 fly. Here is the post.
He also talks about power management in the server, which is suitably green.
Windows Server 2008 Performance and Scalability with Bill Karagounis