PyPy: What is all the buzz about?

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Published on 2010-06-03T22:02:28Z Indexed on 2010/06/03 22:04 UTC
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pypy

Note: The title is provocating (to make you click on it and want to close-vote the question) and I don't want to look preoccupated.

Since some time now I read and heard more and more about PyPy. It's like a linear graph.

Why is PyPy so special? As far as I know implementations of dynamic languages written in the languages itself aren't such a rare thing, or am I not getting something?
Some even people call PyPy "the future" [of python], or see some sort of deep potential in this implementation. What exactly is the meaning of this?

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