Ever popular:

http://news.ycombinator.com/item?id=2185434

http://news.ycombinator.com/item?id=2134812

http://news.ycombinator.com/item?id=2098332

Ah, is there a time limit on link reposting, then? Usually I get redirected to the discussion if the topic is stale.

The exact URLs are all different, but the lunk-to graphicis pretty much identical. Also, the duplication isn't necessarily detected if the older item isn't in the cache.