http://www.45rpmsoftware.com/45RPM/Locamatic.html
http://www.macosxhints.com/article.php?story=20060122060330816&lsrc=osxh
http://www.macosxhints.com/article.php?story=2005010613401823
http://tech.inhelsinki.nl/locationchanger/
http://www.codepoetry.net/projects/cups-pdf-for-mosx