Small Business Server R2 Updates include:

So what's new I hear you ask?

The list below outlines some of the new features to be included in SBSR2 - Unlike a Service Pack the SBS (R2) Release 2 is not a free upgrade.

Automated, network-wide patch and update management for all Microsoft Update supported products lowering the costs of managing a Microsoft-based network and helping to maintain a more secure infrastructure

Increased mailbox limits from 16 GB to 75 GB, enabling improved productivity for employees

Inclusion of SQL Server 2005 Workgroup Edition technology in SBS 2003 R2 Premium Edition

Expanded client access license (CAL) rights, including access to additional Exchange Server 2003 and SQL Server 2005 Workgroup Edition servers in the SBS 2003 R2 network, allowing customers more flexibility in growth

SBS Release 2 is scheduled to release to manufacturing in the second quarter of 2006