If you are using Vista as your web development platform with Visual Studio 2005 then the following information may be useful for you.
Note 1: You should install Visual Studio 2005 Service Pack 1 to be in a supported state
Note 2: You may want to consider installing the beta of the Visual Studio 2005 Service Pack 1 Update for Windows Vista Beta. But note this is a beta still.
Somasegar: Visual Studio 2005 SP1 Beta and Visual Studio support for Vista
Visual Studio 2005 on Windows Vista Issue List - Running with normal user permissions
Visual Studio 2005 on Windows Vista Issue List - Running with elevated administrator permissions
Windows SDK for Vista including Microsoft .NET Framework 3.0 runtime components for downlevel platforms
Lots of information on IIS7 on the IIS7 resource site
Scott Guthrie : Tip/Trick: Using IIS7 on Vista with VS 2005
Upgrading ASP.NET Applications to IIS 7.0: Differences between IIS 7.0 Integrated Mode and Classic mode
Fix problems with Visual Studio F5 debugging of ASP.NET applications on IIS7 Vista << ADDED 3/2/7
Hope that helps!