These are interesting articles on the top technical courses. Of interest is security courses and how each lists the order....

http://jobsearchtech.about.com/od/educationfortechcareers/tp/HighestCerts.htm

http://blog.cedsolutions.com/Blog/bid/37790/10-Must-Have-Certifications-for-2010-2011-for-Every-IT-Pro

http://www.ciscobooks.org/the-top-10-most-popular-it-certifications-2011.html

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Conservatism is the adherence to the old tried against the new untried.