Si acaso le interesa a los poseedores de HD series:
http://support.ati.com/ics/support/default.asp?deptID=894&task=knowledge&questionID=33033
Desde aqui:New ATI Hotfix Patches Various 3D Problems with Radeon HD Series
Owners of ATI's Radeon HD2xxx/HD3xxx series cards who are experiencing intermittent stuttering when running various 3D applications can now make use of the new Catalyst hotfix which is said to fix the problem. Available now for Windows XP (32/64-bit) and Windows Vista (32/64-bit), the 737-33033 hotfix can be downloaded
http://support.ati.com/ics/support/default.asp?deptID=894&task=knowledge&questionID=33033