Windows Server 2008 R2 Beta is ready to download.

Microsoft published new version of their operating system for testing.

Top 10 Reasons to Upgrade to Windows Server 2008 R2:
1. Powerful Hardware and Scaling Features.
2. Reduced Power Consumption.
3. Hyper-V??c in Windows Server 2008 R2 (live migration).
4. Increased Desktop Management Efficiencies.
5. Easier and More Efficient Server Management.
6. PowerShell 2.0.
7. Ubiquitous Remote Access.
8. Improved Branch Office Performance and Management.
9. Improved Compliance with Established Best Practices.
10. The Strongest Web and Application Server To Date.

You can download Windows Server 2008 R2 Beta from here. But remember this is beta version and use it only in test environment.