A user of this world, Horus, has begun their own recreation of New York, and it looks awesome so far.
They've taken the time to create new deco buildings of all sorts, making New York look even more authentic, and Manhattan is finally big enough to give it true justice. I don't know what EP's it will eventually require, but for those of you looking for an updated NY, this will probably be what you're looking for.
So yeah, go check it out and encourage him to keep working on it, because I promise you, it helps:
Sims 3 Big Apple