[link|http://www.theregister.co.uk/2006/11/10/vista_castration_averted/|Register]:
Gates accused Microsoft partners turned rival in consumer security of trying to stymie innovation accusing them of trying to get regulators to "castrate" 1 Vista, the Wall Street Journal reports. Gates, whose comments came as Microsoft released the final version of Vista to manufacturers, insisted the main innovations in Vista including improvements to the security of Windows and performance improvements, remain in place. "No [antitrust regulators] insisted security features come out of Vista," Gates said.
My emphasis.