Using Navigator for the unusual ports is definitely a good idea. I see they're back in the Black Sea this summer, for instance.
Another suggestion: staying overnight in some of the more popular ports, to allow for more touring time. And a few more itineraries that are maybe 10 days instead of 7.
Wendy ------ Booked: Uniworld Egypt, 2015 Tauck Amsterdam to Budapest, 2016 Paul Gauguin, Societies & Tuamotus 2016
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