From the "You Had Me At EHLO" blog:
The Exchange Server documentation team is pleased to announce the following new Exchange Server 2007 content.
- Changes in the Administration and Permissions Model
- The Fundamentals of Mobile Access to Exchange 2007
- Transitioning to Active Directory Site-Based Routing
- Domain Security in Exchange 2007 White Paper
- Exchange Management Shell White Paper
- Deploying a Standard Exchange Server 2007 Organization
- Deploying a Simple Exchange Server 2007 Organization
- Deploying a Large Exchange Server 2007 Organization
- Deploying a Complex Exchange Server 2007 Organization
You can see these articles and other Exchange Server documentation content in the Microsoft Exchange Server TechCenter.
For a complete list of Exchange Server 2003 and Exchange Analyzer topics that changed, see Exchange Server Documentation Updates.