I have not thrown the Cell Pearl, but based on what I have seen in the shop the cell pearl is slightly cleaner through the fronts with a slightly quicker response time at the backends. The Evil Siege has a little more midlane recovery and more continuation downlane and through the pins. The C System 3.5 has more recovery at the breakpoint, is more angular, and has more over all hook than both balls in question.
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Chris Garrett
Upstate Pro Shop
Greenville, SC - 1-866-490-9980
Upstateproshop@charter.net
PBA Member
Brunswick Regional Staff
Vise Regional Staff
The opinions expressed are solely those of the writer and not of Brunswick Corporation.