Just make sure your shop uses the Hunter 97xx equipment and has competent personnel and you'll be fine.
To under-complicate; No Wheel or Tire is perfectly round (you'd need a gravity-free environment to achieve this), nor is the mass evenly distributed around their circumferences.
The Hunter machine identifies the anomalies which then allows the operator to rotate the tire to best cancel these out.
Just because a shop has a Hunter 97xx is not enough. It also needs to have skilled operators who know how to properly seat the tire with the wheel to achieve the best possible balance.
