Looks like Research in Motion has changed the name of the latest version of Plazmic Content Developers Kit to BlackBerry Theme Studio 5.0 and is now available for download. The new name is much more fitting than the last. Unless you were a BlackBerry theme developer chances were you had no idea what Pazmic CDK was. BlackBerry Theme Studio, on the other hand, is not ambiguous at all.
BlackBerry Theme Studio 5.0 is a now available and you can get it free on BlackBerry Developer Zone.