WGTicon:
you have to drag the dot on the ball (bottom right corner) all the way down. It will really start showing effect once you use balls which have backspin properties, like callaway or nike balls.
-wgticon
A salesman's proposal :)
Even the Starter balls react on backspin, yet only a little.
In the budget range of custom WGT balls there are some with decent spin reaction, e.g. the Tour SDs. Of course, they will only stop on the dime in rare cases, but I've had drives roll less than 5 yds and also zzzip-backs with the wedges. IMO, the players' skills must be elevated to justify Callies or Nikes, and it may be a question of budget if 6 crs per 9 hole game (SDs) or more for better balls are o.k.