Initially, for me this ball was great. I have a fair amount of hand and I get pretty good roll. I drilled it 4x4. First game out of the box I shot 279 with the ball. I went on a 7 day tear with games of 263, 278 on Monday, 296 (please, don't even ask) on Tuesday, and rounded out the week with 290 on Saturday. Needless to say, I cleared a little bit of pocket change that week. I cleaned and polished the ball after league after league that Saturday and it's been downhill from there. I still shot good score, posting a lot of 240's and 250's, but that something extra the ball had intially wass gone. This ball sent messengers like no other piece I'd ever thrown. Now I get the occasional flat 10 on a shot that would have carried before I touched the surface. It's kind of the reason I'm not big on proactives and all other balls with mica, PET flakes, or some other type of additive. It seems once you alter the surface, even just polishing, you get a different ball. Overall, this ball is a great addition to your arsenal, and if you like what you've got out the box use Windex or a cleaner like that. Keep it off the spinner.