Here's what I did to my wife's EB-0, no ugliness required.
Strap button on the neck end moved to the center of the neckplate, and the one on the bottom of the body has been moved off center by a few inches. Doing so has shifted the balance point and counteracted the neck dive.
Strap button on the neck end moved to the center of the neckplate, and the one on the bottom of the body has been moved off center by a few inches. Doing so has shifted the balance point and counteracted the neck dive.