Efforts are currently underway to create an intermediate port, Node.js. Version 0.3.6+ can be build this way.
However, it is still experimental and is not ready for a faster and more dirty development. Even if this version matures, I believe that it will always lag behind * nix versions, mainly because the event loop implementations used by Node were originally written for these systems and APIs.
In some cases, the future version of Windows may become stable for development, but it is unlikely to be suitable for production.
July 2011 Update:
#nodejs v0.5.1 is the first to ship with the official Windows executable. We hope to get a good feedback.
Microsoft is officially embraced by the joy of creating Windows-based Node.js.
Ivo Wetzel
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