I know, that's why I said "you never know what it will add", meaning new design, more ports, better battery etc
LOL there's no battery in a Mac Pro!!!
And - isn't that we have PCI cards? How hard would it be to pop in a USB 3.0/FW1600 card into any of the empty slots?
Same with putting a BRD in the optical bay.
Face it, my logic is undeniable.