Oh my goodness! I must give you credit for sticking to your "one-at-a-time" ethic. I did that (once) and I'm afraid I would never be able to just do one (at a time!)
How large are those blocks? They look tiny!
Love your quilt, and I know I definitely will not be doing a "Dear Jane" anywhere in the near (or probably distant) future.
Let us know what you decide!