When Helvetica Neue is unavailable, LN looks like this: http://i.imgur.com/DOu98.png
Adding alternative fonts so it looks like this: http://i.imgur.com/CB0kt.png
Add font families alternatives
Looks quite reasonable to me. I was going to make the exact same change before I happened upon this issue.
Or simply font-family: Sans-Serif; (ala html5 boilerplate) can also work. Turns out it has pretty good defaults across the board.