The only announcement that made me geek out completely was Link's Awakening. It looks inspired, polished and full of charm. That's Nintendo magic to me.
Mario Maker 2 will be huge, and I'm glad it's coming earlier than we expected, but I just couldn't get into the level editing on Maker 1. I found it a bit overwhelming tbh, though I did put in about 10-15 hours playing user levels. I'll buy it, but it's not inspiring that much hype.
I was so excited to hear about Starfox GP, Luigi's Mansion and Animal Crossing but I'm guessing they're spacing out their highlights so their April Direct has some freshness.
My guess is we'll see Luigi's Mansion, Mario Maker, Fire Emblem, Smash DLC, and Metroid Prime Trilogy in April, and we'll see the new Pokémon by then too. They'll reveal Animal Crossing and Star Fox at E3, and those along with Pokémon, Astral Chain and Zelda will be their big focus at Treehouse Live.
Man the first half of 2019 is probably weaker than 2018 but their second half is fucking bonkers.