Windows Vista Starter Edition * Only sold in emerging markets * Very feature limited * Only 3 simultaneous applications runningWindows Vista Home Basic Edition * Equivalent to XP Home * Includes firewall, parental controls, Security Center, Movie Maker, Photo Library and more * For first time buyer / budget consciousWindows Vista Home Premium Edition * Everything from Vista Home Basic * Adds DVD video authoring, HDTV support, DVD ripping support * Similar to current XP Media Center edition but with added featuresWindows Vista Professional Edition * Aimed at the business consumer * Can join domain, has IIS web server * Akin to XP ProWindows Vista Small Business Edition * Designed for small businesses without IT staff * Backup and Shadow Copy support, Castle and server-join networking, and PC fax and scanning utility * Pre-paid access to the Windows Live! Small Business or Microsoft Office Live! subscription servicesWindows Vista Enterprise Edition * Optimized for the enterprise * Ships with Virtual PC & the multi-language user interface (MUI) * Aimed at business decision makers, IT managers and decision makers, and information workers/general business users.Windows Vista Ultimate Edition * "The best operating system ever offered for a personal PC" * Superset of both Vista Home Premium and Vista Pro Edition * Podcasting application, Game Performance Tweaker, possible free music/movie downloadsMore..http://www.neowin.net/comments.php?id=30353&category=mainhttp://www.windowsitpro.com/Article/ArticleID/47665/47665.html?Ad=1