Easy and Hard Tasks/Quests
Less time doing needs, more time accomplishing things.
Interesting NPC characters with real back stories that take time to get to know. That affect the neighborhood/world.
Challenging relationships. Enemies and Friends.
Monthly world quests/stories... short stories that Game Masters, or players, create and that can be downloaded by everyone, if they choose.
World creator/editor.
Larger neighborhoods/worlds with many more lots.
More crafting skills/challenges.
Options that only effect the neighborhood you set them for, that allow automatic Rags to Riches, Apocalyptic, etc. type play.
More building materiels like flooring, wall coverings, windows, doors, etc.
Color and pattern wheel.