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I think that you bring up a good point. Hadoop has a lot of potential, but it is still relatively early in its development life, whereas HPCC is a mature (and far from inexpensive) product. That said, I don't think the attention paid to Hadoop is press driven, it is also being developed at a quick pace. It still requires a lot of java devlopers to make sure it is sufficiently reliable, but it is coming along. It may be too early to tell whether Hadoop really is the "next big thing" or not, but I think it is possible that it will be.