RC paper is great for testing and a lot of commercial work but for "fine art" it is not generally accepted. We know how archival properly used fiber papers are and that they will look great in 50 or more years. I like the look of fiber paper better and when I use RC paper, I can see the thin plastic layer over my image like a old soap film. When I look at a fiber prnt, I can see the image directly. I still use RC to fiber paper about -2 to 1. I put the work I am really proud of on fiber.