Sony is about to release the PS4 Neo because even the PS4 isn't "good enough VR" by their metric I guess. Google Cardboard level VR is still achievable I guess! Oh and I don't see Nintendo making a VR headset on a level with PSVR with the quality of screen it would require.
I suppose having these motion controls was a necessity if the thing was gonna be a "can play ALL Nintendo games" device, but boy is this thing gonna look fucking unwieldy as a result.
Nintendo don't give a fuck about graphics. I'm sure their VR games will basically be Wii games. I would be satisfied with a Wii Sports VR.
However I think VR would not be there for launch and won't even be mentioned. I expect Nintendo to do a sort of 2nd launch fir VR attachment in a year similar to how Sony are doing PSVR