I have the Secret Agent at 1000 grit, and it rolls very good from outside of second arrow. It is by far the smoothest ball in my bag (and possibly the smoothest ball I have ever thrown). I have it drilled pin over bridge (thats about 5'' from my PAP). I found this ball to be very useful on shorter PBA/Sport patterns where I need to play outside and do not want a big change of direction downlane. It just picks up in the midlane and makes a very smooth transition to the pocket. The ball is also good for house shots which are very over/under, it enables me to stand further right and throw it into the dry without worrying about the ball overreacting. Overall, the ball is somewhat condition specific, but when it hits the right condition (the ones I said above), you will have a look that probably no one else will have in their bag. In comparison to my Spitfire at 2000 (drilled pin under bridge), I would say that the Secret hooks a little sooner and is a little smoother overall.
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Dave Lughermo
Michigan State University Bowling Alumni
Edited on 7/15/2009 2:44 PM