Here is some more news for you:

• Public Beta available
  • SharePoint Foundation 2010 (Windows SharePoint Services 2010 Beta)
  • Microsoft SharePoint Server Enterprise 2010 Beta
  • SharePoint Designer 2010 Beta (x64)
  • More on the SharePoint Team Blog
• Installation Notice for SharePoint 2010 Public Beta

• Installation Notes for Microsoft SharePoint Server and Microsoft SharePoint Foundation 2010 Beta (with links to additional requirements like Microsoft “Geneva” Framework Runtime…)

• Upgrade Support for Prerelease Versions to Release Versions of Microsoft SharePoint Server and Microsoft SharePoint Foundation 2010
  • To make it short, an upgrade to the RTM version will not be possible!
• SharePoint 2010 November SDK