I would not worry whether the quilt you wanted to make is a fad or not. A lot of the antique quilts we look at today were fads way back when and not now, but we are still oow-ing and aww-ing over them. I have several quilts I have made over the years that I still like, and they don't fit in the "new craze" category. Make what YOU like. It is YOUR quilt. You will be the one working on it. Enjoy the journey. Enjoy the quilt. (And if you are like me, by the time you finish it, it will be in fashion again! lol)