Microsoft has produced a Silverlight-based “Myth Busting Matrix” for Visual Studio. This nifty web tool details the benefits of upgrading to Visual Studio 2010 and helps dispel some widely-held myths about Visual Studio and the Microsoft .NET Framework. You can browse all three supported versions of Visual Studio (2005, 2008 and 2010) by your areas of interest and click on the myths for more information.
Hope this will help
Jay Ganesh