Power is increasingly a critical design factor for large data centers. Few are larger than those powering the big web properties such as MSN, Yahoo, and Google. The article below was interesing in that it shows just how far (east) companies are willing to go to maximize efficiency and minimize cost.

http://archives.seattletimes.nwsource.com/cgi-bin/texis.cgi/web/vortex/display?slug=microsoft09&date=20060709