http://bugs.winehq.org/show_bug.cgi?id=12608
--- Comment #8 from Rebecca Swaringen november1220@grandecom.net 2008-05-04 00:28:49 --- Compiz/etc. are disabled and the effects are still present. Also this started occurring with patch 2.4 of world of warcraft, so I don't think it's "just" a driver bug, but as this problem doesn't exist on an 8800 GTS (with an install of wow copied from this machine), I'm sure the driver is part of it.