Wow, thank you for the nice words.
I feel a predictable desire to reciprocate, but cataloging your output is starting to look like a Herculean task :)
Also, I can think of at least five of those posts that I no longer endorse and think are embarrassingly wrong, but I think it's more interesting if I don't say which ones.
Well, in theory you could use http://lesswrong.com/user/Yvain/submitted/ but that shows a lot of context and doesn't sort by anything except date. It also mixes Discussion, Meetup, and Articles.
This was manual work, and trivially implemented by extending existing feature mentioned by gwern http://lesswrong.com/lw/6ga/index_of_yvains_excellent_articles/4fxa
Yvain is one of Less Wrong's best and most prolific writers. I suspect many Less Wrongers haven't read his posts. Here's an index of Yvain's articles (not including meta posts, ranked by upvotes (like on my post index):