Here's mine: https://github.com/insin/greasemonkey/blob/master/hncommenttrees.user.js https://github.com/insin/greasemonkey/blob/master/hncommentt... In additi

Here's mine: https://github.com/insin/greasemonkey/blob/master/hncommenttrees.user.js https://github.com/insin/greasemonkey/blob/master/hncommentt... In addition to collapsing, it highlights new comments and shows how many new comments there are on story list pages since you last looked at the full thread. If you click the "X new" link it adds, it automatically collapses all threads which don't have new comments on page load. Screenshot of that: https://twitter.com/jbscript/status/462657449497874432/photo/1 https://twitter.com/jbscript/status/462657449497874432/photo...