Nintendo NX is the absolute protagonist in the rumor scene. We summarize the latest rumors in the followings bullet points (rumors after all):
The next Nintendo console could be available the next summer, could be an affordable machine ($149.99), Nintendo could be developing Diddy Kong Racing 2 for this system and according to Tamaki from Unseen64, Nintendo NX would not compete with PS4 on a power level:
In this way, Nintendo would introduce a new element to appeal players to NX, but they could lose the third party support again.
Thanks, Tamaki (Unseen64).