When I got mine it came polished. I asked why, the guy I got it from (I won it in a ball raffle at a tournament, cost me $15) he said no one had been able to use it OOB, so he polished it.
Polished it was MUCH better than dulled. For me anyways. Of course I was always a HUGE fan of a polished Ultimate Inferno, and the reactions were identical.
If you're bowling on a THS, the polish will work well.
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Formerly SGC300