I have one on the way in a trade, looks like a standard label leverage type layout on it, though I'm not sure.  What can I expect from this ball in terms of reaction shape and performance?  What kind of situations do you use your Black Pearl in?  Right now I have a Pain, Absolute and Doom that I throw.  I like to play the track area when possible, though I can play deeper or further outside, I am mildly speed dominant with medium-low revs.  My league shot is a 39', medium heavy (though it fluctuates, they're still figuring out the shot at the new center) crown pattern on practically brand new ProAnvilane.
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Mr. Lebowski, this is Bill Salnicker with the Southern Cal Bowling League, and I just got a, an informal report, that a member of your team, uh, Walter Sobchak, drew a firearm during league play. If this is true of course, it contravenes a number of the league's by-laws, and article 27 of the league...

The Rev Zone (blog) http://ryanfinley.bowlspace.com/blog/

splendorlex, If you are speed dominant, you may have a little trouble getting the BP to finish correctly in the OOB surface.  I am pretty well rev and speed balanced (275 rpm, 16 mph)and I had to rough the surface up a little with the grey pad (lightly scuffed by hand)in order to get the ball to finish the way I wanted on a fresh THS.  No big deal if you have to modify the surface a little bit, L/LM covers are very tuneable.  I think you will love the ball.  When you get the ball to finish correctly, it destroys the rack.  Pin shattering hits.