Microsoft Architects Journal
This looks like the start of some good higher-level architectural guidance in the form of a journal:
Microsoft Architect's Journal - a platform where authoritative software architects from all corners of Microsoft's architect community will discuss the connection between opportunities once out of reach and the solutions that now make them possible. It will be a platform for thought leadership on a wide range of subjects on enterprise application architecture, design and development.
Seems like another good opportunity to plug our Patterns & Practices group too. They’ve produced some very good material.