Iberia, American Airlines and British Airways have published some pretty hot deals from Paris to the East and West Coast in Premium Economy.
These fares are valid for travel till June 30, 2021 so hopefully things improve Corona-wise.
Here is a Trip Report from Madrid to New York with Iberia which gives a good view of the level and seats.
BA Premium Economy a few years ago and here is our trip report...
British Airways Boeing 787 Premium Economy
British Airways Boeing 777 Premium Economy