There are many OBA case studies available on Microsoft Case Studies and the teams continue to ensure that existing OBA evidence and new OBA evidence will be correctly tagged as "Office Business Applications" on this site. Unfortunately, the set is not published as RSS but I'm going to start blogging here on newly posted stories.

For now, you may wish to watch this URL. It is a shortcut to the OBA stories on Microsoft Case Studies:

http://www.microsoft.com/casestudies/search.aspx?ProTaxID=3132