Late last night or early this morning, XNA Game Studio 2.0 was released. You can go to the XNA Creators Club site to get all the necessary files to get going. This new release includes XBox Live support, and much more. Here is a snippet from Microsoft’s Download page.

This release of the much anticipated 2.0 version contains improved performance along with new features such as expanded support for Visual Studio 2005 products, networking and multiplayer support, the XNA Game Studio Device Center, easier Xbox 360 connectivity, improved content pipeline experience, and much more.