question to anyone who has or knows a good deal about the insides of the dual 800s and that model of quicksilver.. i have 2 hard drives inside. an internal zip. and superdrive.... 4 things... is it possible to add an additional hard drive internally? i had thought that i'd seen that people with dual 800s had 4 hard drives in... and even without a zip, they probably had some sort of optical... so i would think that the zip would be kinda like a 4th hard drive.... so i thought it would work any help/insight would be great. thanks.