“Apple Computer is looking toward a 64-bit future for the Mac — courtesy of PowerPC partner IBM. According to sources, IBM Microelectronics, a division of IBM, is working with Apple on a 64-bit PowerPC processor for use in the latter’s high-end desktops and servers. Sources said Apple is testing the CPU, dubbed the GigaProcessor Ultralite (GPUL) on Mac OS X-based hardware at its Cupertino, Calif., headquarters, and making sure that the processor complies with a new bus architecture on tap for future Macs. In addition, IBM plans to offer the processor as the centerpiece of future Linux-based systems, the sources said.” Read the interesting article at eWeek. Also from eWeek recently, they reported that Apple is backporting to the x86 as a fallback plan.