Organizers of the Mac Design Conference & Digital Photography Expo today announced that world-renowned Mac experts, Scott Kelby, best-selling author of Mac OS X Panther Killer Tips, The iPod Book and editor in chief of Layers magazine and Photoshop User magazine, David Pogue, NY Times columnist and best-selling author of the Missing Manual series, and Bob LeVitus, author of Mac OS X For Dummies: Panther Edition, and Dr. Mac: The OS X Files, will be showing attendees all the cool tips, tricks, and new features of Mac OS X Tiger at the upcoming conference in Tampa on June 21-23, 2005. Attendees save US$100 off the admission cost by registering before the Early Bird deadline of Friday, May 20, 2005. Registration is open to everyone. A complete conference brochure with class schedule is available from the Web site.