Apple today introduced its first comprehensive update to the Mac Pro since August 2006. Using the 45-nanometer Penryn architecture that forms the foundation of the Xeon 5400 line, the new workstation clocks at up to 3.2GHz with a faster, 1,600MHz bus and as much as a 12MB Level 2 cache. Using 800MHz DDR2 FB-DIMM memory, the system can hold as muc
