Microsoft has released ADO.NET Synchronization Services for Devices CTP: http://www.microsoft.com/downloads/details.aspx?FamilyId=75FEF59F-1B5E-49BC-A21A-9EF4F34DE6FC&displaylang=en Forums: http://forums.microsoft.com/MSDN/ShowForum.aspx?ForumID=1225&SiteID=1 We've been waiting a while for this...