Wordpress 2.6, Codename: Tyner, is now available for download! Among the new features:

Post Revisions: Wiki-like tracking of edits
Press This!: Post from wherever you are on the web
Shift Gears: Turbo-speed your blogging
Theme Previews: See it before your audience does
Word count! Never guess how many words are in your post anymore.
Image captions, so you can add [...]