Thanks daywalker - the guys on FT had made reference to short-haul reviews, but the longhaul product was unclear.
Specifically, here is the seat detail of what they're to install and here is the photo gallery.
It's more than just a journey
https://v-flyer.com/
Says in article that they are proud to be only british airline serving Riyadh - err...BA pulled out for safety and security reasons[:?]