This lengthy article at Golf Club Review talks about the value of a spin-balanced golf ball.
A player with a poor stroke may never realize much benefit from the use of balanced balls on the green, but a good putter should be able to reduce his handicap by close to a stroke with careful and sustained use of balance-oriented balls. If he is also adept at using the alignment lines on the ball to aim his putts, he may save substantially more than a stroke a round.
Further reading reveals that Golf Club Review found disparities in long irons, short irons, and driver shots as well. Turns out that balancing a ball is important for more than putting!
You can read more about the Check-Go system here or purchase one from TGW.com or other retailers.