I use the machines I have on top of dining table for quilting and sewing cabinet for piecing. I have straight stitch machines - because - tada- all I do is make quilts and piece them. I don't need or want anything fancier than what I have.
Sorry I forgot the knee lift, I don't use mine, sticks out too far for the space I have to sew in, I walk into it. So I don't use it.