I do not agree with the get what you pay for with respect to the longivity of tubular tires. My personal experience is that I have paid for good tires the flatted on my first ride and I have paid for cheap tires that I have ridden time and time again without a flat. Ride performance aside, I see no corolation between price and longevity. In fact I might go the other way. The more expensive and finer tires are more delicate on urban streets. Plus I don't feel bad when a cheepie punctures but I feel like hell when an expensive tubular hisses it way to the ground on my first ride.
Ray Homiski
Elizabeth, NJ