It looks like some changes to the source code of the Blog*spot version of my blog just spat a couple of dozen recent posts back out to the LiveJournal syndicated feed version. Those readers now have their Friends lists flooded with old posts of mine.
Sorry about that, guys; it's not something I control.
If you want to see what actually new stuff might have gotten buried in the avalanche, you may want to check out that Blog*spot version. It looks like my posts came in somewhat out of order on LJ.