I don't think my 'most buried comments' list is very accurate anymore, though I am pretty sure this is the most buried comment. There was another one on a story about James Kim that is probably pretty close.
The interesting thing is that a comment with that amount of - diggs gets way more attention than a comment with + diggs. Odd. :)
With regard to upcoming stories, it is possible to sort the upcoming stories by most popular rather than newest. I find that that is an easy way to see what the hottest upcoming news it at that moment.