A new job post has been posted on the Microsoft Career site,stating that a new Powershell Automation platform would be added for managing Windows Servers.
Here is what the job posted on Microsoft Career site read-
Job Category: Software Engineering: Development Location: United States, WA, Redmond Job ID: 707889 10199 Product: (Not Product Specific) Division: Server & Tools Business
Windows Server is the top-selling server operating system and is growing …

According to the Italian Windows Server presentation the next version of the Server would be available by 2012.The next server release is indeed going to be one of the major releases and as usual their is a three year gap between the current and the future Windows server release

Thanks to Stephen for the info