May be I am looking for something that doesn´t exists but I would try. - 4x5 camera accepting roll backs (6x7, 6x9 and 6x12). - Portable, light, all around camera, documental, landscape, architecture. - Accepting wide angle lenses and a portrait lens. Not only accepting wide angle but also having movements with them. I am in love with ebony's sw45 but I want to know about other possibilities. thanks.