Microsoft IT’s Best Practices for Securing Active Directory – A Must Read (5 Takeaways and 1 Glaring Omission)

http://www.active-directory-security.com/2013/08/Microsoft-IT-Best-Practices-for-Securing-Active-Directory-White-Paper.html

Oct. 18: The R2 and 8.1 is coming!

http://blogs.technet.com/b/in_the_cloud/archive/2013/08/14/mark-your-calendars-for-oct-18-the-r2-wave-is-coming.aspx

Active Directory Features in Different Versions of Windows Server

Here is a Wiki that compares features of AD in different versions of the Server OS:

http://social.technet.microsoft.com/wiki/contents/articles/19037.active-directory-features-in-different-versions-of-windows-server.aspx