i'm currently working on a similar project. Yes the comments will be
rendered twice, once by you(the server) and once by the client using
the Disqus Javascript embed.
i'm guessing you want to render the comments server side to either
make them available for search engine indexing or to run your own
statistics on them; as far as i know, server side rendering is the
only solution to this, unless you want to use a plugin like
"Wordpress" that supports functionality like that.
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> http://groups.google.com/group/disqus-dev?hl=en