Microsoft's operating system Vista Business comes with the complete feature set of that of the Vista Home Basic Edition, along with a set of handy features designed to implement business in small, medium and large corporate settings. The OS comes with the ability to implement faxing, scanning, remote features that allow for interaction with your computer from locations other than the office, and the ability to hook-up to a domain for administrator control over a company's user accounts.
Vista Ultimate, on the other hand, has the largest set of features available with Microsoft's Vista operating system and is designed for the power computer user who wants to get the work done or for the computer guru ready for some fun downtime after a day's labours. Users coming from the Home Premium edition will enjoy this version, has it the updated multimedia features that were offered in the Home edition.
Developers have added helpful additions, like a subsystem to implement Unix-based capabilities, BitLocker Drive Encryption, and ultimate additions that make Vista Ultimate the best solution for power users.