I'm hoping it will be viewed more as a replacement for the 3ds.
I've never owned a handheld. Not because there aren't any good games - there are some like Phoenix Wright, Bravely Default and Persona 4 Golden that I am interested in - but because I have never seen the point of playing any game that matters at low resolution on a tiny screen.
Having a low resolution mode on the go and a full resolution mode when displaying on a big screen is something I think should have happened a long time ago (unlike that Playstation TV thing...).