On December 1, Microsoft announced that the Windows Live Wave 3 beta was closing down, and that the company would begin moving its Windows Live users to the final version of its web services. A Microsoft employee confirmed that as of Tuesday night, all the users have been moved over to the Wave 3 version. All services sport the new Wave 3 header and interface and allow you to customize your theme (including dynamic ones) across them all.
Full Story: A look at all the new Windows Live Wave 3 web services
Full Story: A look at all the new Windows Live Wave 3 web services