I’m a little puzzled by this because I’m pretty happy with the 5×7 I have. The only thing that’s always bugged me is that it’s slightly too tight of a fit in my backpack at 11″ square (including hardware and knobs). I’ve been recycling a set of homemade bellows since I made a 5×12 to 5×7 conversion back about 6 years ago, and this dictated the size of the standards when I finally made a dedicated 5×7. Since I can’t get decent bellows cloth anymore, I’m just going to order a set of custom bellows so I can make the camera whatever size I want.