It will be hard to trade either game for Village which is newer, more expensive and higher rated than either game. You might have to trade both.
Stone Age is ranked and rated higher. All of the games are a similar price,and Stone Age / Homesteaders appear to be out of stock at a lot of major OLGSs. The newness and lack of a used market factor in, but 2 for 1 would be an epic steal.