I saw them too! Think they were in a blurb "book", or maybe the latest View Camera magazine I flipped through last week? Can't find them now. They were beautiful.
I feel like the horizontal wide format is being thrust upon us by monitors and TV's.
Vertical shots just don't look good on electronics (merely because they get shrunk to fit so they become "tiny" in comparison). So if verticals were rare before... I am sure they are even more rare today.
With some googling I found the site I had seen recently seen with the circular photos I liked (I think it was linked on the LFPF.) I think it was in a post about a View Camera magazine article: