If there ever be RIFT S most desired features will be
1) 2160 X 2432 pixel per eye resolution at 3.25" per display size
2) Oculus Go Optics or more improved Optics
3) Oculus Quest type tracking
4) Hardware requirement not more than current rift
5) OS Support including windows 7
6) Only Single user replaceable cable.
7) Pricing around $ 300
With current library of RIFT titles there is good reason to amazing success.