2.3 ghz dualcore 1.15 x 2 1 mb cache per cpu 16 GB ram per machine 512 pc2 4200 ram per unit nvidia 6600 all pci express slots. Details regarding PowerBook G4's TBA in the morning. Stay Tuned. And NO I am not providing pictures, and I don't care if you believe it or not. This is not designed to be a bashing thread, and it isn't speculation.