Since the 1st of November the Beta 2 of the XNA Framework and XNA Game Studio Express have been released. More information and downloads can be found here. Tutorials on XNA can be found here. The site offers video tutorials about XNA. The XNA Game Studio Express forums can be found here.

Also interesting to read is Tom Miller's blog. He is a developer on the DirectX team at Microsoft. He blogs about DirectX, XNA (both the framework and the Game Studio) and game development in general (e.g.: developing for Xbox)