I am looking to get a ball that I can use when the lanes are too dry for me to use my Pearl Blade comfortably. After reading Hammer ball reviews it seems that the Sling Blade may be the ball for me, but I want to make abosuletly sure that it is different enough from my Pearl Blade to warrant purchasing it.
In my opinion, I would say no. My Sling Blade is a little earlier rolling that the Blue Pearl Blade. The Blue Pearl Blade is so smooth and goes long. The Sling Blade is more ball than the Pearl Blade. At this point, Hammer does not have anything weaker than the Pearl Blade. Except, of course, the Red Urethane Hammer. I wish Hammer would develop a higher rg ball in a weaker pearl that would fit into the spot you are looking for. But, right now, they don't. Hope this helps.
Scott