Hello, I am in search for use Mac-Pro Intel for reason to update my Mac G5 desktop publishing. One thing which confuse me is, that new Photoshop CS5 is running in 64Bit mode and as far as I know NOT all Mac Pros are cable to hosted in 64Bit mode ...NATIVE. Can anyone PLEASE HELP ME to identify, which Mac Pro I should be shopping for ? This help will be very appreciated. Thank you.