I have no experience yet just some thoughts:

I know their "premium" resin is supposed to absorb oil slower (that must be why they hook so little. ). With their slower absorption rate and very thick coverstocks, I can understand why they lose performance more slowly than other balls (except maybe Visionary and DT's Soakers).

With the thinner, 5/8" coverstocks on balls, like the XS Power and the Sure Strike (just got one myself), I will be inclined to be sure to clean them after each use, more so than than the thicker ones. I admit to being not quite as religious in my regimen of ball cleanign with Lanemasters balls, as I am with other brands of balls.
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"None are so blind as those who will not see."
Unofficial Ballreviews.com FAQ

Edited on 8/8/2008 9:18 PM

Longevity of the "So-Called" lesser coverstocks with the thickness of 5/8" is just as resilent as their Cover-to-Core coverstocks. I currently own a Sure Strike with hundreds of games on it with no reaction loss. I previously have owned the XS Power as well and noticed no issues. I am anticipating the same from the soon to be released "Dynamic Power"(release date of Sept. 1st) and the fall releases of the "Solid Strike" and Buzz Attack!".
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Pat Patterson

Yea, at least.  My sure strike is my go-to ball when things get out of control.  And, to be truthful, its not that snappy.  Despite what everyone says.  Smooth describes it best.