Some more...
PK18 solid: MoRich'S Awesome Finish
PK17 pearl & solid: The Power Grooves
The Raging Red Fuze, the Eliminator and Igniter as well as the Swamp Monster used a juiced-up PK18 derivate called Aggressive Reactive, and that's just what it was. Really nice and strong stuff, with very good read on the lanes (IMO earlier than its more lengthy successor Activator). I would not wonder if this was MoRich's "C4" coverstock that has been around for ages.
BTW, I's like to see something like the R/B or G/B Monster in the Avalanche line - a PK17 ball (either solid or pearl) with a "real" core, med RG and medium differential. I guess it will not happen, because there is no real gap for it in the current line-up, but it would IMHO be a nice addition for medium to medium-dry conditions, tamer than a Rampage or Swarm.
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DizzyFugu - Reporting from Germany
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