After setting up a dozen or so medium-sized complex forms, I really think it's time for GF admin to allow more intuitive adding of new fields. One way to accomplish this could be with allowing people to drag and drop the new fields where they want them in the form. That would save a lot of time dragging the new field all the way up from the bottom of the plugin.
OR, have a feature that would allow selecting and moving multiple form fields in one go.
Form Developers will love you for this improvement. Thanks for the consideration!