Visual Studio 2010 is an exciting release in managed languages and tools. Visual C# and Visual Basic languages continue to evolve towards feature parity, strive to simplify programming and deployment with the Microsoft Office APIs, and allow easy interop to dynamic languages. Visual F# is a new programming language which combines functional, object-oriented and explorative programming to provide a succinct, expressive and scalable language for .NET. In the tools space, Visual Studio 2010 offers greater support for Test-Driven Development, where tests are written before product code as an iterative approach to software design.
Here are some walkthroughs, you may find helpful to learn more...