Jim Heiser of Apple’s Pro Markets division took the stage today at the Mac Design Conference in Chicago to talk about Apple’s “20 years of innovation.” He touted such developments over the past year as the Power Mac G5, updated PowerBooks, the Xserve RAIDs, the Xsan and Mac OS X 10.3 (Panther). Heiser also said that there are over 1,400 “best-of-class” creative applications.