There are some great new features in WordPress 3.0, including a brand new base theme called twenty ten, which provides all the features of the new APIs.  The thing that is the perfect thing for me is the incorporation of WordPress mu into the standard wordpress installations, which means everything works the same.  Check out  Read more »

There will be times when you need to change the URL of your podcast feed. The problem arises though, that you have submitted your feed to iTunes and other podcast directories using your old URL.