What is your favorite kind of apartment?

You just couldn't beat the flexibility of building your own and having a number of different families you could switch between simultaneously.

I like penthouses and what not, but the apartments feel so limited otherwise with building restraints. Plus I cannot save them when I go through all the remodeling trouble. And the neighbors ended up pretty annoying in 4, but I won't bash it too much.

I consider lot traits an addendum system separate from apartments, though I do enjoy them. Just going off of my experiences I had more fun with 2's because of the creativity.