Not sure if you've gotten either of them yet, but I really do suggest getting both of them if your computer can handle the hard work! I have both among all the other expansion packs and I literally can't imagine playing without the both of them. They both add more than a decent amount of content to your gameplay, and I truly believe that there is an infinite about of joy to be had and stories to be created with them. Moonlight Falls and Appaloosa Plains both have their specific charms, although I tend to lean more towards Appaloosa because of the cozy little atmosphere. Or perhaps that's the animal lover in me?
Speaking of Supernatural and Pets, personally, I'm doing an Enchantacy Legacy playthrough with a female witch and a dark blue and black spotted cat with deep purple eyes. I've had some good fun playing through their story, but it's on hold for now until I have all the parts to build my new computer and transfer the save files.