The more I think about this system, the more I'm baffled by it's approach.
Nintendo is calling this their next Home Console, but they've done everything to untether it from the home, and reduce it's appeal as a home console compared to competitor. It looks like it won't ship with hardware to connect it to the TV, and it's severely underpowered compared to the competition.
It's gimmick is it's portability, but look at that thing, it's not portable. That's not a system you can easily carry around with you. Portables skew young, but this is going to be an expensive piece of kit compared to other portable devices.
As a home console: It's underpowered, requires accessories to play on the TV, and requires accessories to game on comfortably
As a portable: It's big and expensive and might have poor battery life compared to other portables
Maybe there's a synergy there that makes this all work together in an appealing way, but I'm hard pressed to see why that would be the case.