Both. Got a 3DS at launch (not a good idea) and a Wii U in Summer 2014. I then got a Switch in Summer 2017.
From the GameCube and GBA onward I get every Nintendo platform. There's always at least a few 1st-party games I want to play.
Lifetime Sales Predictions
Switch: 151 million (was 73, then 96, then 113 million, then 125 million, then 144 million)
PS5: 115 million (was 105 million) Xbox Series S/X: 57 million (was 60 million, then 67 million)
PS4: 120 mil (was 100 then 130 million, then 122 million) Xbox One: 51 mil (was 50 then 55 mil)
3DS: 75.5 mil (was 73, then 77 million)
"Let go your earthly tether, enter the void, empty and become wind." - Guru Laghima