A Release Candidate (RC0) of Sync Framework v1.0 and Sync Services for ADO.NET v2.0 for Desktops and Servers is now available.

These components can be found as a top level feature within SQL Server 2008 RC0.  RC0 is the final step before SQL Server 2008 RTMs in Q3 of this year.

SQL Server 2008 RC0 can be downloaded from the Microsoft Download Center at:

SQL Server 2008 Release Candidate 0

If you are an MSDN or TechNet Plus subscriber, then after logging into the respective accounts, subscribers can view Product Keys and download SQL Server 2008 RC0 from the following links:

Download SQL Server 2008 RC0 (MSDN subscribers)

Download SQL Server 2008 RC0 (TechNet Plus subscribers)

As announced at TechEd, Microsoft is also targeting a CTP (Community Technology Preview) of the Sync Framework on devices for Q3 2008.