You should also get Get Together. It's actually better than I initially thought. It's a mixed bag of activities like FreeTime, and the club system is very versatile. You can do so much with it. Not to mention Windenburg is beautiful and comes with several new lots. Cats and Dogs is also a personal favorite of mine (although it's missing a few touches I would've liked), but its reception among players is mixed. If you like pets that much, you can get it, although I recommend watching some reviews first to see if you're part of the "love it" camp. I also think Brindleton Bay is nice, and it's quite spacious.
I also highly recommend the game packs. They're not as substantial as EPs, but they narrowly focus on a single theme, and they do it really well. I really love the Parenthood pack. That, combined with the toddlers update, really enhanced my game as a family player. If family play isn't your thing, there are also other options like owning/eating at a restaurant, vampires with lots of customization options, and spa items. You also have two separate vacation destinations with Outdoor Retreat and Jungle Adventures, although personally I'm still waiting for a beach vacation and hotels.
Stuff packs are a hit or miss. I only bought a handful of them at full price. The others are more meh and I got them discounted or in bundles, because I don't think they're worth $10 to me, no matter how cheap that is. It also depends on what you like, so you can look up what each one offers and go from there.
