Denis Dyack is very excited regarding the Nintendo NX and while we can't say for sure. It's very likely that he and his team have been working with the dev kits.
When he was asked if he is excited for the NX he replied with the following.
"Am I really, really excited about the NX? I think so, I think probably more than ever, on any other previous console generation. I remember Mr. Iwata saying some things on how exc.., just seeing how excited he was on talking about the future. I know these guys, and I feel really good about what’s coming. So, and I think those that are concerned and worried, don’t."
About a year ago Nintendo renewed the trademark for Eternal Darkness once again and Denis Dyack stated that Shadows of the Eternal is back on track after it's failed kickstarter project. Let it be noted that ED and SotE are "technically" different IP's. SotE is a spiritual successor of Eternal Darkness but it's in many ways a sequel.... "Darkness is back".
Now the Silicon Knights is defunct. The new company goes by the name "The Quantum Tunnel". They have been responding to fans over the past month on their YT channel. While they won't respond to any questions regarding the NX, they do say that "Nintendo is a good fit."
I'm not a huge fan of the new art style, but as long as the game is good then it's all fine with me.