I guess there will be huge demand not only as a standalone installation but also as wordpress/buddypress plugin. If it is well integrated with buddypress system

I guess there will be huge demand not only as a standalone installation but also as wordpress/buddypress plugin. If it is well integrated with buddypress system people can also pay a few dollars for it. A news.[mysite].com can be useful for many niche community sites. The news/qa/discussion format of HN is a good way to engage members in constructive discussions.