Well it would depend entirely on play style to be honest. Some of the packs others have recommended here are packs I would say are a complete waste of money (Get Together and Parenthood) for someone with my personal playstyle
From what I've seen this is the general consensus:
If you're into family play:
- Seasons
- Get Together
- Parenthood
- Kids Room Stuff
- Toddler Stuff
- Cottage Living
- Discover University
If you're into aspirational play (living your dreams/doing things you can't do in real life so easily):
- Island Living
- Get Famous
- Get to Work
- Dine Out
- Realm of Magic
- City Living
- Jungle Adventure
- Tiny Living
If you're into chaos:
- Vampires
- Realm of Magic
- Dine Out
- City Living (it comes with a food item you can use to poison people in both restaurants and dinner parties ;))
- Paranormal Stuff
- Seasons
- Eco Lifestyle
