The Listing of Vista Retail Versions, the Differences, the Ones Avaliable, Features Avalaible between the Different Versions.

Windows Vista Home Basic. Windows Vista Home Basic is a great choice for homes with basic computing needs. For consumers who want to simply use the PC to browse the Internet, correspond with friends and family through e-mail or perform basic document creation and editing tasks, Windows Vista Home Basic will deliver a safer, more reliable and more productive computing environment. It will provide new tools and technologies for making the PC more secure and enjoyable, including features such as a new Search Explorer, Sidebar and Parental Controls.

Windows Vista Home Premium. Windows Vista Home Premium will help consumers use mobile or desktop PC functionality more effectively while enabling the enjoyment of new, exciting digital entertainment experiences. Windows Vista Home Premium improves every aspect of digital entertainment experiences, including photos, video, TV, movies, music and games. Windows Vista Home Premium includes everything in Windows Vista Home Basic, along with additional features and enhancements such as the following:

•  The new user interface Windows Aero is also available in this edition of Windows Vista.
  
• Windows Vista Home Premium integrates search throughout the operating system, helping customers easily organize and quickly find large collections of documents, pictures, movies, videos and music.
  
• Windows Media Center capabilities turn the PC into an all-in-one home entertainment center. Consumers can use Media Center to record and watch TV shows (even high-definition TV) and access new kinds of online entertainment content. It also provides the ability to connect Windows Vista Home Premium to Xbox 360™, extending the Media Center experience to multiple rooms in the home.
  
• Windows Tablet PC technology, which enables interaction with the PC with a digital pen or fingertip instead of a keyboard, is also available in this edition of Windows Vista.
  
• Integrated DVD burning and authoring allows users to seamlessly burn personal videos photos and files to video or data DVDs, and easily create professional-looking DVDs from home movies that can be shared with family and friends.
   

Windows Vista Ultimate. Windows Vista Ultimate is the edition of Windows Vista that has it all. It is the first operating system that brings together all the entertainment features, mobility features and business-oriented features available in Windows Vista.

Windows Vista Business. Windows Vista Business is the operating system designed for organizations of all sizes. For small businesses, Windows Vista Business will help keep PCs running smoothly and more securely so they are less reliant on dedicated IT support. For larger organizations, Windows Vista Business will provide dramatic new infrastructure improvements that will enable IT staff to spend less time focused on day-to-day maintenance of PCs and more time on adding strategic value to the organization.

Windows Vista Enterprise. To better address the needs of large global organizations and those with highly complex IT infrastructures, Windows Vista Enterprise is designed to significantly lower IT costs and risk. In addition to all the features available in Windows Vista Business, Windows Vista Enterprise is designed to provide higher levels of data protection using hardware-based encryption technology. It will also include tools to improve application compatibility and will enable organizations to standardize on a single worldwide deployment image with the inclusion of all Windows user-interface languages. Windows Vista Enterprise will be available only to customers who have PCs covered by Microsoft Software Assurance or a Microsoft Enterprise Agreement.

Here you can find a complete table on features that each edition has:

Vista Home Basic - For basic home needs such as e-mail and Internet access.

Vista Home Premium - For the best home computing and entertainment.

Vista Business - For small and mid-sized organizations.

Vista Ultimate - For work and entertainment, this is the most complete edition.

Vista Enterprise - For large, global organizations with complex IT infrastructures.