What is the upgrade path available through the Windows 7 Upgrade Campaign?

Windows Vista® Home Premium (64-bit) -> Windows® 7 Home Premium (64-bit)
Windows Vista® Home Premium (32-bit) ->Windows® 7 Home Premium (32-bit)
Windows Vista® Business (64-bit) ->Windows® 7 Professional (64-bit)
Windows Vista® Business (32-bit) ->Windows® 7 Professional (32-bit)
Windows Vista® Ultimate (64-bit) ->Windows® 7 Ultimate (64-bit)
Windows Vista® Ultimate (32-bit) ->Windows® 7 Ultimate (32-bit)

*The edition of Windows® 7 users receive will depend on the VAIO model that was purchased. Models with preinstalled Windows Vista® Home Basic do not qualify.
Please access the local VAIO Windows®7 upgrade campaign webpage or  portal site (https://vaio-online.sony.com/windows7) for the latest details.