Fascinating. Given that HN has so much content nowadays, aggregators/filters like this are proving useful. (I found this link through http://www.skimhn.com/)
Thanks for pointer to http://www.skimhn.com/. It feels like gasp of fresh air. Sifting through list of highly diverse material, which Hacker News is, is a real cognitive load (citation need, I know). Now, this is elegant.