Well, if it's a drive by drive thing, my G-Drive mini is one of those that works for the daisy-chain I had in mind, which, to refresh everybody's memory, was MacBook booted into FireWire target disk mode-->in FW 400 port of mini-->out FW 800 port of mini-->FW 800 port of MacBook Pro.

So G-Tecnology now has the answer to an InFAQ that I really think they should have had all along. (It's not like what I asked about was the most unlikely scenario in the world.)

The new Great Equalizer is the SEND button.

In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire