In QuarkXPress 7 and 8, you can align selected items to a page edge by holding down Shift-Command and pressing the arrow keys. Give it a quick try. (Windows: Shift-Ctrl)
You don’t need to use the Measurements palette for this trick, but you can if you want to:
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.