The Hybrid functionality of the console. It's already my favorite console of all time at this point. Just being able to play a game on my TV and then taking it with me on a road trip was worth the $300 price tag.
I had just completed a research project in my business strategy class, reviewing the history of Nintendo, the current industry and all rumors regarding the Nintendo NX in October of last year. after about 15 seconds of the reveal commercial trailer thing I was all in.