I am presuming you have never ridden either of these? If you have not ridden them, there's really no way to tell which you will prefer the ride of, so it's either your guess, or one of ours. Which appeals to you more? If price was not a consideration, and I was faced with the same two choices, I would feel a little more excited about having a Pergoretti, but that's just me.
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In search of what to search for.