Question : How can I disable visual effects with group policy

I have used the visualfxsetting in the registry to disable visual effects on individual PC's, but is ther a way to disable visual effects in group policy ?

Answer : How can I disable visual effects with group policy

You can push the registry entry in a GPO, but it seems that an API call is needed for the system to reset.
http://www.databasically.com/2008/11/02/group-policy-for-windows-xp-visual-effects/