Thanks, Mike. I've searched extensively on this before now and have been unable to find any definitive answer. I agree that a ccTLD increases visibility for searchers from within that country, as it should. It seems it's still unknown how much the ccTLD increases visibility for people outside the country but who include the full country name in their keyword query. There's no reason why having a ccTLD shouldn't achieve both ends, and I would expect that in a perfect world it should do so too, as that would most benefit searchers.
The challenge I have with my target and niche is that it's a relatively mature one but with little SEO optimization from the big players, so the results I see are fairly well correlated with the size and quality of the websites, regardless of .com or ccTLD. I suppose I should try to think up some more countries and niches to study to try to draw a conclusion.
FYI currently for a query of <country niche="">from an overseas location and not logged in, I see 6 of the 10 first page results use the country ccTLD. Out of those 6, only 1 has the country name embedded in the URL (all are branded, none have the country name in the domain itself).</country>
Right now I still feel the best is brandname.ccTLD instead of country-brand.com, as word of mouth will be as important as organic search, and the more brand-able the better.