The Windows 8 Consumer Preview Product Guide for Business provides a detailed look at the many new and improved features in Windows 8. The guide is designed as an accurate source of information that can help businesses understand how Windows 8 enables users to be ready and productive practically anywhere, allows for a personalized user experience, and provides IT with more secure, easy-to-manage intelligent infrastructure.

Looks like there is an update at http://www.microsoft.com/download/en/details.aspx?id=28970.