As of this week, Visual Studio 2010 SP1 is now available for download!  The service pack was released to MSDN subscribers on March 8 and became generally available on March 10.  SP1 includes fixes that improve reliability and address the most commonly-reported customer bugs.  It also adds some of the most requested feature improvements, including a new local help viewer, IntelliTrace support in more scenarios, and built-in Silverlight 4 tooling.

For more information, check out the following blog posts and links:

Enjoy!

The Visual Studio Professional Team