I looked at it for a few minutes and I get no idea what the site is about or what I can do.
May be a welcome page with some blurb will help.
What I fear most finally comes true -- not even HN users can immediately figure out how to use the site (which was purposely left out from the brief)...
How about some hints like you can get all news regarding social networking websites:
http://bit.ly/dc6ko
or compare DISQUS with Intense Debate: http://bit.ly/3Qhr9s
Now I definitely need to rethink the usability issue.Also, I think the ratings system for different products is difficult to understand. (I clicked on the anti-virus link from the about page, then on the Avast link. "objectiveness"? huh?)