[rvid]

I want this too! This comes close: http://chetan51.github.com/panels/hacker/

[irrationalfab]

Also:

[Hacker News'd!] https://chrome.google.com/webstore/detail/njdndkhkelkeepcnmo...

[Hacker News Sidebar] https://chrome.google.com/webstore/detail/hhedbplnihmkekhgma...

But are not perfect and it would be nice to have a single package.