Very interesting! My only (design) suggestion: The H1 title looks like a logo. I'd add a logo there and move the H1 to somewhere more visible (At least for the first few months of the site)

Funny, a couple weeks ago we launched our Chrome extension that sends you a notification every time there is a top story on HN also called TOP. (https://news.ycombinator.com/item?id=9612653) :D