I'm deciding to make my peace with it since many cities have older sections and at least in my city I can move my older section of buildings to new locations!
So far I have 4 original brownstones, one large brownstone, 2 small apartments one large apartment, 2 large department stores and 2 financial centers.
For symmetry I will likely decorate my old section of town with 1 to 3 more large brownstones, 2 more small apartments and either 1 or 3 more large apartments.....along with a bunch of the new stuff once I can get it.