You're reading the fine print correctly: adapters are all you need. There's a potential issue with the absence of a surge protector: if you plug your 110v surge protector into a 220-240v outlet it will be toast instantly. I've given up using surge protectors on the road, including Latin America and Africa, and haven't had any problems yet; all the usual caveats apply.
There are lots of aftermarket 12v adapters for Mac; I've got one in my car with a cigarette lighter plug on it, but you could snip that off and attach any kind of connector.
Mark
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