Actually, one can probably write a wordpress plugin that auto-submits a post own your own blog to HN, and then adds a "comments" link at the end of the post to

Actually, one can probably write a wordpress plugin that auto-submits a post own your own blog to HN, and then adds a "comments" link at the end of the post to point to the HN page containing your submitted link--effectively using every HN page as your comments page. pg can probably filter based on repeated submissions from the same IP to prevent this type of abuse though.