Back to the original topic:
Jim, That's a nice way to more fully utilize the stove. Bopping around Africa or Asia, you can find the most unexpected things available or unavailable, IME. Having twice the canister options would be sweet.
And, when you want the basic, less flexible Gnat with its lighter weight (when you know you can get threaded canisters), it is a really quick swap back.
If I loan you my Prius, would you put a battery-only button in it like the Japanese models have? There have been numerous times I've wanted that option.