Macromedia today announced the Macromedia MX Developer Resource Kit, the first of a quarterly series containing cross-product articles and resources, Flash MX components, and Dreamweaver MX extensions. The kit also contains more than 400MB of content from the Macromedia Designer & Developer Center including multiple sample applications, tutorials, and other articles. The MX Developer Resource Kit is available now, and works with Mac OS 9.1 or later and Mac OS X, priced at US$99.