I have been working with some of my colleagues at Magenic to write a whitepaper that summarizes our view on how “Windows 8” and WinRT affect existing Microsoft developers.

http://magenic.com/Portfolio/WhitePaperWindows8DevelopmentPlatform.aspx

If you’ve read my previous WinRT related blog posts you’ll see that the whitepaper is similar, but provides more formal analysis and information in a presentable format.