I'm a pretty big fan of Vanilla (http://getvanilla.com/ http://getvanilla.com/). It doesn't natively support threading, but I think there may be a plugin for th

I'm a pretty big fan of Vanilla (http://getvanilla.com/ http://getvanilla.com/). It doesn't natively support threading, but I think there may be a plugin for that. It's out of the box install is very clean, very simple, and very useful. Rolling something from the HN or Reddit codebase sounds like a pretty interesting project, though.