SharePoint Server 2010 Overview Available for Download
October 21, 2009
On Microsoft TechNet:
http://download.microsoft.com/download/8/C/6/8C65AC6A-C09A-4E47-B2AD-0719EAA062F9/EvaluateSharePointServer2010-IT%20Pro_v4.docx
It’s very comprehensive and outlines all the features that SharePoint Server 2010 includes.