I seemed to have missed the "First Look Microsoft Office 2010 by Katherine Murray" which was released back in January.

Contents:

  • Introduction
    •  The Road to Office 2010
      • Who Uses Office 2010?
      • What's in Microsoft 2010?
      • Office 2010 System Requirements
      • What you'll Find in First Look: Microsoft Office 2010
  • Part I: Envision the Possibilities
  • Part II: Hit the Ground Running
  • Part III: Nest steps with Office 2010
  • Resources
Visit http://blogs.msdn.com/b/microsoft_press/archive/2010/01/20/free-ebook-first-look-microsoft-office-2010.aspx to download.