The Res Gestae and RTR maps were engineered completely seperately, and as far as I know, neither was based off the idea of the other (having access to the RTR dev forum, I can see that the idea was thrown around for several months before the actual map preview for 7.0 was released, but I do not remember when the RG map was first shown). They are very similar, I'll admit, but there are notable differences.
Anyway, those cities do look excellentI noticed them in the RG previews recently and thought that they were a great idea. I'm not too sure about the fleets, though; they are huge, while the cities are tiny. But then, that's no different to the current "giant characters" thing that RTW has going on...
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