Make a web app that has HN Item list on the left column. Right column displays the story/link but also allow quickly switching between that and the HN comments

Make a web app that has HN Item list on the left column. Right column displays the story/link but also allow quickly switching between that and the HN comments section. I'd throw money at you. I don't need/want a mac app for reading stuff that's available on the web. That just makes me bounce between 1 extra app/window if I want to read/learn more about a certain subject.