the price tag on i.t. is not just the cost of buying the machines and the software apparently..hur hur...

http://www.castsoftware.com/Resources/Materials/News/PR_092810.pdf

http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0916699

http://www.computerworld.com/s/article/9190198/The_new_push_to_measure_software_s_true_cost

and enterprises seem to be balancing their books on this count quite well... increasing linux deployments while moving stuff to..er..the clouds...

http://www.readwriteweb.com/cloud/2010/10/as-enterprise-moves-to-the-clo.php