At the time of the discovery of the fourth planet (that was also big news) the orbits of the two outer ones were believed to be much more eccentric. Now as they've got more data, it appears that all the planets orbit in almost circular orbits (except the new one, but it's within error bars). They're not "decent" gas giants in the sense that they orbit much closer than they should, but still...

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Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool.
-- Richard Feynman