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