Most of them don’t need the proxy for caching and can do without the caching benefit. I don't agree. I think the main advantage of a http proxy IS caching. It helps conserve (expensive) bandwidth, makes websites "faster" to users ... In our highly developed contry in the center of Europe (Belgium) bandwidth is extremely pricey (in comparison to our neighbors). For now it's still doable without caching, but with every new bandwidth consuming web application it gets more difficult (or more expensive or slower, whatever you prefer). Cloud computing is in our situation out of the question, just because the cost of required bandwidth would overshadow. That said: basic caching in PA would be a plus, but we knew it was missing when we bought it...
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