[jack_hanford]

I use this chrome extension ->

https://chrome.google.com/webstore/detail/hn-special-an-addi...

You have to disable their hideous theme, but it adds collapsible comments and infinite scroll on the home page which is pretty neat.

[Exuma]

I like HN Enhancement Suite:

http://i.imgur.com/XJOS9oz.png

[andyfleming]

I use HackerNew. I'm not sure how the features compare, but I like it overall.

https://chrome.google.com/webstore/detail/hackernew/lgoghlnd...