This is the only one with substantial comments: http://news.ycombinator.com/item?id=1799296 http://news.ycombinator.com/item?id=1799296 Edit: for some reason

This is the only one with substantial comments: http://news.ycombinator.com/item?id=1799296 http://news.ycombinator.com/item?id=1799296 Edit: for some reason missed this: http://news.ycombinator.com/item?id=1894784 http://news.ycombinator.com/item?id=1894784