My opinion--quilting should highlight the piecing. You have done so much work creating the quilt top, please let it shine! I'd finish it with hand quilting, even if it means finding a group such as at local churches to do it. The quilting won't "match" but it will follow through with all the hours of creating the GFG. From experience I find that tying really doesn't last well on quilts that are used a lot. The knots work loose and need to be monitored that they don't come out.