I would likely never use this. I'm almost always here for the comments on the Show HN & Ask HNs as well as the Stories. The comments on the Ask HN, Show HN are usually very informative, and have helped me a lot in my own side projects and entrepreneurial pursuits. The comments on stories (for me) act as a curation tool, and based on what I read, I actually decide to either read the posted story, or pass on it. W.r.t.…
You might be interested in a site I created, Day Old Hacker News (http://dayoldhackernews.com). This shows Hacker News as it was exactly one day ago, so the comments are always full.