Microsoft announced this Wednesday to the field of HPC (High-Performance Computing, high performance calculations).
The product name will be: Windows Server 2003 HPC. By then, the software will provide a single and simple and effective development environment to users. And you can integrate Linux. Perhaps, verify the sentence: winner to eat.
More information can be seen here: http://www.infoworld.com/Article/04/06/23/HNWINDOWSHPC_1.HTML