Wordpress Plugins

Those of you running wordpress blogs ... which plugins are you using?

I've got a group of them in my own "install kit" folder that go up on just about every blog I build. Some are for SEO, others are for social bookmarking, and quite a few just extend the usability and add to what I can do when creating the post.

Here's a few of what I consider my must haves:
Admin drop menu
spam karma 2
vipers video quick tags
post schedule ping optimizer
wp-autoblog
wp-stats
photopress
wp-backup
technorati
semi-subscribe me
share-this
optimal title - but this seems to be having trouble with the latest version
dd-sitemap

wordpress cache a.k.a. wp-cache is another popular cache plugin.
i use on several blogs to keep from hogging all the resources

for spam Akismet for me - i rarely have to see or touch any spam at all

I'm not so keen on Technorati kind of pointless to point people to go on Technorati to search for more of the same. Big traffic leak to me