I can tell you that I have a bunch of low end Brother machines and they are very good. I have the first one on your list and although I don't use it much in favor of a different low end Brother I am very pleased with all of them. I also collect and spruce up a few vintage machines. I have a featherweight, a 301, a 401, a very old red eye, a 15 without a motor that shares the treadle cabinet with the red eye, a 66 in a cabinet and a sew handy. The vintage ones took me years to collect. If you want something faster go for a Brother. If you have time to spare search out a vintage. It is easy to think you can just find a good vintage. And maybe you can. That has not been my experience. Good luck whichever way you go.