"Top public school claims Open Source software improves education"
http://linuxpr.com/releases/9004.html

"National Australia Bank Does Linux"
http://www.linuxworld.com.au/index.php/id;580233128;fp;2;fpid;1

"Why Proprietary Software is Dangerous for Business Critical Applications"
http://software.newsforge.com/article.pl?sid=06/08/14/202229

Software and Collaboration in Higher Education: A Study of Open Source Software [published July 26, 2006]
http://www.ithaka.org/strategic/OOSS_Report_FINAL.pdf

And an excellent comparison of Wiki systems for those looking to get into this technology
http://www.wikimatrix.org