If you’re a student or teacher at a recognized institution of learning (you know who you are!), the lowest-priced source for buying QuarkXPress 9 we could find is OnTheHub.
They’re currently offering QuarkXPress 9 for $189.99 at this link.
Jay Nelson is the editorial director of PlanetQuark.com, and the editor and publisher of Design Tools Monthly. He’s also the author of the QuarkXPress 8 and QuarkXPress 7 training titles at Lynda.com, as well as the training videos Quark includes in the box with QuarkXPress 7 . In addition, Jay writes regularly for Macworld and Photoshop User magazines and speaks at industry events.