According to Drive.com we are definitely going to see something in 2018.
https://www.drive.com.au/motor-news/new-toyota-supra-to-break-cover-in-2018-116616.
I do like the RX Vision concept, but it doesn't really scream RX too me. Looks more like a Aston Martin IMO. I hope the final version gets a little more FD styling cues.
The thing is that you can show a group of people the same exact thing, and all of them would either described it or redraw it slightly differently. Another example is those eyewitness terrorist attack; each person recount of the event will also slightly variety. It is just human nature.
We have tons of more rendering on this forum for you to pick from.
http://www.supramkv.com/threads/realistic-renderings-of-the-toyota-supra-bmw-z4-post-up-your-fan-art.396/
The photo above is just a really bad photoshop of the graphite FT-1 being uploaded. But welcome to the forums. :)
http://www.supramkv.com/threads/article-motor-magazine-of-australia-japan-testing-943f-etc.621/