Goodbye to the classic Apple iMac By Mark Ward BBC News online technology correspondent The computer that came in different hues and revolutionised the home computing market - not to mention Apple's fortune - is finally being phased out. Consider the desktop computer. For years these instruments of social change could not have looked less revolutionary if their designers had tried. Instead of anonymous beige boxes, users yearned for something less like an oversized box and more like an implement fit for the 21st Century. Something like the Apple iMac, for instance. When the company first unveiled its new, blue...