I'm more for the right combinations (clothing/accessories) and stories that revolves around the girls. Any will do but certain character arch-types just work better as a monster/animal/normal girl than others.
I wish loli girls was an option because that my #1 choice in girls. Small breasts and big innocent eyes make me want to be by her side always. Some psychologists believe that to be men's latent paternal instincts(Or so sayeth the Otaku Encyclopedia)