This post was published February 17th, 2012 and the content may be obsolete. Thus, most of these links are no longer active but I am keeping this post for posterity.
Disclaimer: This blog post (like other blog posts on dennyglee.com) are written by the author Denny Lee. I am a Microsoft employee but the opinions below are my own. I have been working with the Isotope team (code name for Hadoop on Windows and Hadoop on Azure) since its inception while part of the SQL Customer Advisory Team.