My iMac g5 finally arrived. I ordered it with an iSight camera, but when I connect both the iSight and iPod 3g both connected via firewire, things get a little odd. Sometimes the camera will not work, sometimes the iPod will not be detected, then 20min later will pop up for no good reason. If you replug on it will be detected, for a short time. I have seen a few posts around about this issue and I guess my question is, is this related to power? Would an external powered firewire hub fix this issue?