The market is willing to pay a lot more for "ready out of the box" than do-it-yourself. Mind you, do-it-yourself can end up looking very nice. See the Langton Miniature's website which has a wide range from ancient to the American Civil War and even WW1 coastal.

http://www.rodlangton.com/

These are examples that I built with the Langton Anglo-Dutch range with the exception of the Haarlem, which is Ark Royal. Note that the Langton have brass etched sails while the Ark Royal are cast metal and integral with the masts, so it requires a different method of rigging. I used thread for the Langton ships and broom bristles for the Ark Royal.

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