Many places will let you download (or at least) show you the dimensions. A tape measure is pretty much all you need to figure out if its a good fit or not.
Keep in mind that there are limited options if you want to keep 3 position seating (like in our case I wanted to have the middle seating position available so that we retain the 5 seatbelted positions in the RV). At the moment I have this guy on order and will post more info when it gets in (sometime in Sept) and installed:
Monaco Double RV Recliner Loveseat, RV Furniture - Shop4Seats.com
The best part is that their leather color of "Chocolate" almost exactly matches the "fake" leather color we already have in the coach.