Today my installation of the Blend 2 September Preview stopped using Visual Studio 2008 Beta 2 when I select "Edit in Visual Studio..." in the Files palette but instead chose to use Visual Studio 2005. I never had the 2005 version installed on the machine but it came via the SQL Server 2005 Developer Edition install. SQL Server 2005 uses Visual Studio 2005 for its Business Intelligence Development Studio. Currently Blend 2 does not offer any built-in way to configure which version of Visual Studio should be used. The Blend Configurator tool published by the Expression Blend team does not help...