Check out the Barbie post (linked below) at the HouseBeautiful website to see larger photos of these older houses.
A Look Back At Barbie's Dreamhouse Through The Years
While I think that the 1979 A-frame is probably the most innovative structurally, if I could only choose one, I would like to have the 1974 version. The décor reminds me of how crafts looked when I was growing up. I feel nostalgic just looking at it.