If I didn't already have more Wild West figures than I will ever use I would grab several of those .... who am I kidding, I'm already hankering after the Mexicans ... and prospectors .... and bank robbers .... and vaqueros .... OK, I see one pack of each in my future :-)
As to the similarity of dress ... it depends how many tailors/ seamstresses you think your imaginary town has I guess.