Can/will Nintendo ever see the Wii + DS height ever again?

[Pyro as Bill]

*Sound Of Rain said:
Who knows? Nintendo could very easily strike gold again. They could just as easily pull another Wii U.

Can they? Yup
Will they? We'll have to wait & see

The didn't 'strike gold'.

Unless you mean that they surveyed the land, took samples and knew gold was there with over 80% certainty.