I had it drilled last Monday and I told my driller I wanted the ball drilled to have decent recovery. WOW is all I can say. The backend is ridiculous!! Now the problem is I have over/under. I either leave ALOT of 9 pins and ringing 10's or the ball barely makes it back to the pocket. I bowl in a mixed league at a house that has considerable side to side wet/dry conditions and I was thinking of taking the surface down to 4000ab to help with the over/under and to take away some of the backend, cause there is just too much.