At PDC I presented a session covering Occasionally Connected Smart Clients that can leverage SQL Server Mobile, RDA, ClickOnce running in the background.  The sample contains some early thinking on where we're heading post Whidbey, in addition to what can be done today with Visual Studio 2005 (Whidbey).

Code Samples for August CTP of Visual Studio 2005 (Whidbey )

PowerPoint

SQL Server 2005 Database file

Steve