It works! I downloaded the ISO from MSDN and followed the instructions to deploy SharePoint Server 2007 and Project Server 2007 on Windows Server 2008, and it works like a charm on R2 (notice the Windows 7 similar toolbar at the bottom with the big PowerShell icon)!
What’s new with Windows Server 2008 R2 check these two links:
- Announcing Windows Server 2008 R2 Beta! (product group blog)
- Introduction to Windows Server 2008 R2 (official site)
Also check this related post if you want to experiment with our upcoming OS: Windows 7 Beta and Project Professional 2007