You can find a detailed information on the new features & updates on one of my previous article: "Visual Studio 2010 Features – Better Productivity"
If you are a MSDN Subscriber, you can download the full version of Visual Studio 2010 and .Net Framework from: http://msdn.microsoft.com/hi-in/subscriptions/default(en-us).aspx
If you are not a MSDN Subscriber, you can download the 90 days trial version or the free express edition from Microsoft Download Center: http://msdn.microsoft.com/en-us/aa570309.aspx
You can get the detailed information at ScottGu’s Blog.
You might find interest on the following links: