Doma(edit)--Vista Ultimate is NOT eligible for volume licensing to business. "Windows Vista Ultimate targets consumers who want every feature of Windows Vista.
"While Microsoft says this will be a consumer edition, and not eligible for volume licensing..."
What prevents content providers then from leveraging the TPM inside Vista Ultimate? Is there some International Law Enforcement body that disallows such TPM leveraging?
"Windows Vista Ultimate Windows Vista Ultimate is the most comprehensive edition of Windows Vista. It is the first operating system that combines all of the advanced infrastructure features of a business-focused operating system, all of the management and efficiency features of a mobility-focused operating system, and all of the digital entertainment features of a consumer-focused operating system. For the person who wants one operating system that is great for working from home, working on the road, and for entertainment, Windows Vista Ultimate is the operating system that lets you have it all."
"Windows Vista Ultimate targets consumers who want every feature of Windows Vista. A particular target is high-end laptops used at both home and at work. While Microsoft says this will be a consumer edition, and not eligible for volume licensing, it will be a full superset of Windows Vista Enterprise and so will offer businesses without SA or an EA a way to get features such as MUI and BitLocker Drive Encryption."