I stumbled upon an interesting discussion about graduate schools. The first one is more of an overview of pros and cons of a graduate school and the second one is bringing together people with diverse opinions to give a comprehensive picture.
http://blog.marketplace.nwsource.com/ninetothrive/2009/07/graduate_school_is_it_worth_it.html?cmpid=2627 http://roomfordebate.blogs.nytimes.com/2009/06/30/what-is-a-masters-degree-worth/