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>>Not quite sure you can do that easily with Windowses. It insists on its own drive letters, and when you return the drive into the mother hen machine, who knows which letter it will have there.
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>That is the reason you fix the registry of a cloned system. It is one registry entry assigning the drive leter to each partition in the registry.

Ah, then that's much easier than I thought... though, I once installed the OS on a D: drive before reformatting the c: drive. Ended up with D, F, E and G partitions (first two on the new disk, other two on the reformatted old disk). You wouldn't believe how much software doesn't know what to do on a machine without a C: drive :).