Welcome to ReSharper Early Access Program (EAP) !
We have released ReSharper 2.0, so this EAP site will host builds for ReSharper bugfix updates.
JetBrains Resharper is a Visual Studio .NET add-in that brings intelligent C# code editing and coding assistance features to VS.NET. By intelligent features we mean usage search, powerful refactorings, smart type completion, using assistant and more. In brief, ReSharper truly understands C# code !