"Preview the 2007 Microsoft Office system and gain first-hand experience with the new look and feel, features, and functionality of the 2007 Microsoft Office release. 2007 Microsoft Office system Beta 2 is a public preview release designed to help you evaluate the Microsoft Office system. The beta is not final and should not be used for business-critical work," says Microsoft.
You can also take a one hour course on the new user interface. There are more than a dozen courses availale at the 2007 Microsoft Office - Learning Portal.
