Here’s a short video from the WordPress people about the newly released version 2.6. I’m always personally a little hesitant to upgrade too quickly to any version of any software I own. I’d rather let other folks try it out for awhile to help get any major bugs out of it.
But this newest WP version, if you blog a lot, certainly deserves your consideration. It contains some improved features over version 2.5.1.
Take a look: