Date Installed: 11/26/2007
Finally, after I don't know how long and cutting of how many cables and soldering to god knows how many things, the solution that I have been looking for was pointed out to me today.
The dlink 7 port hub can very, very easily be modified to only use external power so that when the computer shuts down, it does not allow any of its attached devices to drain power via the USB bus, yet everything works 100% normal when the computer is turned on. All you have to do is open up the case of the hub and cut one trace: