Yeah!! We've done it. VS 2005 SP1 is RTM. There are significant improvements for Smart Device development. You can read device development improvements here http://blogs.msdn.com/mgaur/archive/2006/09/26/772519.aspx. and general SP1 information here http://msdn.microsoft.com/vstudio/support/vs2005sp1/default.aspx and about VS 2005 on Vista at http://msdn2.microsoft.com/en-us/vstudio/aa948853.aspx.

Manav