Apple's Mac platform has always had mac desktop publishing solutions as its killer apps. Almost every publishing software that you know of, comes with a native Mac version. Most of the popular desktop publishing software solutions like Adobe Photoshop, Adobe Pagemaker and Quark Xpress started as Mac only solutions. it was later that they were ported to the Windows platform. The Mac platform is specially optimized for tasks like publishing multimedia. Apple always works in close coordination with major publishing software companies to make sure that they get best of the breed publishing software for their platform.