Apple Unveils iMac G5 The new iMac G5, which begins shipping worldwide mid-September, features the high-performance G5 processor and a stunning new design that integrates the entire computer right into its 17- or 20-inch flat panel display. The iMac G5 packs a complete computer system into a mere two inches of depth  #151; the world #146;s thinnest desktop computer, with a G5 processor running up to 1.8 GHz. Aug 31