Really like the app.

I echo what was said before, don't like the header. I get what you're trying to do with newspaper, though a cleaner font would work better. Look at the UK gaurdian app in newsstand for inspiration.

I would also suggest images in the article though again it may take away from the newspaper feel.

The flipping doesn't always work, it opens an article on the odd flip try.

I would love to see:

- Instapaper integration - Pull in the comments if possible - isn't that what makes HN,Hn? - Bookmarking - New threads instead of just front page - Number of comments so far - A very light tint of colour on the buttons, 10% blue?

All in all great experience, with a tweaks this could be a winner!