No, Orion is not e5, as far as I can see it's a set of browser-based tools for developing web apps.
E4, by the way, is alive and well, it's release schedule is aligned with Indigo's. So, you can download the latest build (it's a RC1), and the final release should be in June.
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Is Orion a new e5? What happened with e4? What the rest of Eclipse Foundation and Eclipse Projects think about it?
No, Orion is not e5, as far as I can see it's a set of browser-based tools for developing web apps. E4, by the way, is alive and well, it's release schedule is aligned with Indigo's. So, you can download the latest build (it's a RC1), and the final release should be in June.