Just realised this is effectively a dupe [http://news.ycombinator.com/item?id=373900]. I should have checked if the direct link had been submitted.

Looks like a lot of people missed it last time around, and it yielded some different comments so seems it worked out ok.

Kinda interesting to think people can get quite different experiences of HN if they're in different time zones or browse at different times of day.