Yes, the 9700 is clearly the greatest tire related technology ever put in your local shop.
It is not, however, needed in 90% of wheel imbalance cases. A good computer balancer properly used with weights on both planes will in most cases get the job done. It is when you have a tire with excessive road force variation (a stiff spot) that the 9700 is necessary.
So, it is not necessary in every case to go running off to the 9700 shop. This only necessary after a proper two plane dynamic balance does not cure the problem.