Is Microsoft working on a new OS?

During the last weeks many technology sites on the Internet have been writing about a Microsoft project called 'Midori'.

Based on internal MS documents and conversations with internal and external people, Software Development Times published one of the more exiting articles in a long time.

Do Microsoft really work on a post-Windows Operating System? About time, some will say. Read for yourself in the article Microsoft's plans for post-Windows OS revealed.