Thanks. Some show up as flagged, some show up as dead, but lots of live stories in between. I'm more interested in the ones where they had lots of votes in a short time but didn't make it past the flag process.

Then maybe http://hnrankings.info/ is what you're looking for? Front page articles which get "flagged off the front page" don't end up [flagged] or [dead], instead they drop in rank quickly. You can often see that quite well from the charts on that site.

That would probably be closer and I suspect they have the data to get what I want, which is more like a list of flagged stories to understand some of the inherent bias in the site.