ATI recommends users install and use official Catalyst drivers for Vista
The Catalyst Beta Vista RTM driver will work under Windows Vista RC2.
These drivers are not supported by ATI Customer Care, for generic systems. All feedback should be reported via the Catalyst Crew Feedback program.
OEM based drivers of this same generation (used in OEM systems) are fully qualified and supported by ATI Customer Care. However it is still strongly recommended you use official Catalyst drivers for desktop or see OEM support site for notebook driver updates that may be available.