The advance registration deadline for the Mac Design Conference & Expo is April 30. Attendees can save US$100 by registering before the deadline. The second annual conference — which is being held in Chicago at the Donald E. Stephens Convention Center on June 2-4 — will feature world-class instructors from both the design and Mac industries including David Pogue, columnist for The New York Times; Scott Kelby, editor-in-chief of Mac Design Magazine; Bob LeVitus, author of 45 popular computer books; Deke McClelland, Photoshop Bible author; and Bert Monroy, a pioneer of digital art.