Nice! It actually was working better for me the on the first post. This one is going very slow --- 30-90 second page loads, then another similar wait for 'fetching data'.
I'm getting a few character encoding oddities using Opera on Mac. Looks like "â" is replacing a variety of other characters.
I presume you've seen http://hckrnews.com/? When combined with the browser extension, I find the counter for viewed and unviewed comments helpful.
Making the comments number a clickable link might be an easy improvement. There doesn't currently seem to be a way to go there directly for the non-Show-HN-type links.