These links are from TechNet and well worth a look
http://go.microsoft.com/?linkid=9033357 Service Pack 1UAC improvements
http://go.microsoft.com/?linkid=9033340 Interview with Vista UAC Product Manager Austin Wilson
http://go.microsoft.com/?linkid=9033341 Keith Combs on Windows Vista 30, Rootkits 0
scottbelton@tiscali.co.uk