and
http://news.ycombinator.com/active
check the source for more goodies, but keep in mind that the performance impact of some of these may not be all that nice, which may be why they are not linked from the menu bar.
Of course, we shouldn't take high karma to mean "good" any more than we take "popular" to mean good in social contexts, but I think it's telling that pg, amongst most commenters here still conflate the two, and while I'm sure most people here, when pressed, would say that they know this isn't really the best of HN, we see people optimize for high karma all the time, often at the expense of actual good content.
It's unfortunate that we're using a rating system that encourages this behavior.
-8, 8 -7, 4 -6, 9 -5, 4 -4, 2 -3, 7 -2, 9 -1, 12 0, 26 1, 656 2, 385 3, 243 4, 182 5, 133 6, 76 7, 51 8, 37 9, 38 10, 32 11, 19 12, 21 13, 15 14, 24 15, 13 16, 16 17, 10 18, 10 19, 9 20, 10 21, 4 22, 12 23, 3 24, 3 25, 6 26, 1 27, 7 29, 2 31, 3 32, 1 33, 1 34, 1 35, 4 36, 3 38, 1 39, 1 40, 2 47, 1 48, 1 49, 1 51, 2 58, 3 64, 1 90, 1 98, 1
have fun with the graphing :)