Visual Studio stands alone as the preferred development environment for applications using Microsoft's .Net Framework, and it's peerless among IDEs for any language. The 2008 version expands the development targets to include SOA, Web 2.0, Windows Presentation Framework, and Silverlight applications, and extends the data-handling capabilities to include language-integrated queries (LINQ).

See the reviews of Visual Studio 2008 and Visual Studio 2008 SP1