I have both, and agree completely with tonx. The Vertigo is a VERY strong ball. I plan on keeping mine in box condition, and usually in the bag as well. I have the Ebonite Factory Finish polish on my Nemesis, and it goes pretty long, and hits really hard. My Original Inferno is smack dab in the middle of the two. Hope that helps.
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-- The way we see the problem is the problem.