We just posted an update of MSF for Agile Software Development.
MSF for Agile Software Development, Beta
This download contains the agile process guidance that will be shipping with Visual Studio Team System. MSF for Agile Software Development is a scenario-driven, context-based, agile software development process that utilizes many of the ideas embodied in Team System. This process incorporates proven practices developed at Microsoft around requirements, design, security, performance, and testing. This new release introduces the new Team Model, Mindsets, and Principles. It also contains many clarifications of the activities.
Also, be sure to read Randy Miller’s latest blog post, Agile Software Development for Projects Large and Small.