The Power Mac G5 Dual has been, and is still, the one system that graphics artists dream of when they take their catnaps between editing sessions. The latest Power Mac, the G5 Dual 2.7GHz ($3,648 direct, without monitor), represents the pinnacle of Mac computing. Artists, Art Directors and well-heeled Mac-heads will wheedle, beg, and plead with their managers, parents, or spouses to attain this top-of-the-line Mac.