I think this would benefit greatly from some sort of collapse feature. The nice thing about browsing titles-only ("vanilla") HN is that things that I don't want to read take up very minimal screen space. With this, I had to work too hard to scroll past this entry: http://i.imgur.com/Z9t67.png
You can also fold the article with 'd', and show the top comment with 'c'. Shift+C opens the comment thread too. Pressing '?' will bring up a box that lists all the shortcuts:
j or → Select next article
k or ← Select previous article
c Toggle Hacker News top comment
shift + c Open Hacker News comments page in a new window
d Toggle article content
enter Follow the article link in this window
shift + enter Follow the article link in a new window
? Show this keyboard shortcuts dialog
