Power to the people! Well, ok, power to Robert McLaws! Major kudos as well!
What happened? Its this simple. Through interaction with someone who contacted him, Robert realized there was an apparent error in the Vista EULA (End User License Agreement) for Anytime Upgrade providing a limit of one transfer after running an Anytime Upgrade of Home Premium to Ultimate. Rather than ignoring the issue, Robert contacted Microsoft, calling the error to their attention.
Read Robert's report about how
Update: As promised, Nick White reported Windows Vista EULA Modified for Windows Anytime Upgrades.