I just performed an upgrade of my blog software to WordPress 2.7 Coltrane. Although this is a major upgrade behind the scenes, nothing about the site should look or act differently as a result of this change. If a page or element looks funny or isn’t working the way it used to, please let me know in the comments. Thanks!
And if you’re thinking of starting a website or blog, give WordPress a look. It’s open source software that is powerful, stable, extensible and free.