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One tip I would add to the scale issue is that, aside from the specific size, the listed scale should give you a good idea of the manufacturer's intent. A plastic airplane kit that says it's a "1/48 scale model" says that the manufacturer intended to make a replica aircraft with accurate details and proportions. A pack of medieval tavern furniture that says "compatible with 28mm heroic scale figures" means that the table and chairs are supposed to look good next to Games Workshop's Warhammer figures.
That is a gorgeous, gorgeous model.
Mostly though, I fear it's a stylistic preference.