A different (more graphical) approach to this is "Grand Perspective" (http://osx.iusethis.com/app/grandperspective) and "Disk Inventory X" (http://osx.iusethis.com/app/diskinventoryx).
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A different (more graphical) approach to this is "Grand Perspective" (http://osx.iusethis.com/app/grandperspective) and "Disk Inventory X" (http://osx.iusethis.com/app/diskinventoryx).