[IsaacSchlueter]

> AFAIK nothing's stopping anyone from writing a CGI module for Node.

Indeed, nothing has stopped several people from doing it:

    $ npm search cgi
    NAME            DESCRIPTION                                                   AUTHOR             KE
    cgi             A stack/connect layer to invoke and serve CGI executables.    =TooTallNate
    fastcgi-stream  Fast FastCGI Stream wrapper for reading/writing FCGI records. =samcday           fc
    koku            Node.js bindings for the Mac finance app Koku                 =cgiffard
    nodeCgi         A fastcgi-like server designed to accept proxied requests from a web server and exe
    scgi-server     SCGI (Simple Common Gateway Interface) server                 =yorick            SC