Ya están las presentaciones de XNA de la Conferencia Game Developers 2008

• XAudio2 – Audio Building Blocks For The Future
• XDK Update GDC 2008
• XNA Game Studio 2.0 for Xbox LIVE Arcade
• Performance
• The Evolving Windows Gaming Platform
• Performance Tools Update
• Networking with the XNA Framework
• Getting More From Multicore
• Games for Windows – LIVE Just the Facts.
• CLR Performance
• D3D10 – Getting from 0 to 60 Hz
• Extending the Content Pipeline
• Advanced Debugging with Managed Code

URL: http://msdn2.microsoft.com/en-us/xna/aa937787.aspx

DirectX versión de Marzo 2008

Download: http://www.microsoft.com/downloads/details.aspx?FamilyId=740AC79A-5B72-447D-84F9-EE6407ED1A91&displaylang=en