Have you used Resharper with Visual Studio? Made by Jetbrains who make Intellij, it brings a lot of the same refactorings and other features across. No serious

Have you used Resharper with Visual Studio? Made by Jetbrains who make Intellij, it brings a lot of the same refactorings and other features across. No serious .NET developer should be without it, though Visual Studio 2010 has added a lot of new features that previously were only available through Resharper.