I don't really know. I was just trying to come up with some obscure references. Solaris on desktop wasn't crazy enough.
I think a modern take on NeWS style system would use Webassembly style system with capability based access rather then PostScript and no security. Basically a modern browser with Canves/WebGL and without a lot of other stuff a browser does.
Would have been a interesting alternative to the Wayland approach.
Kind of sad that Scott McNealy didn't have the balls to open it up. Having some real competition to X in the 90s would have been a cool. Specially if Sun had pushed it at least somewhat.