For what it's worth, http://ycombinator.com/images/grayarrow.gif is being referenced by pages on https://news.ycombinator.com/, leading to mixed (SSL vs. not-SSL) content fun in browsers.
Also, if SSL is now a permanent thing for HN, it would be a nice bonus to see "add_header Strict-Transport-Security max-age=31536000;" in the nginx configuration block for the https server...