Hello, I just purchased an Acer Aspire 7720G with a Nvidia 8400M GS on it to have kickass 3D effects.
Unfortunately, 3D effects are slow, which make them unusable.
This problem seems to be common to all 8400M GS cards, here is an example :
http://ubuntuforums.org/showthread.php?t=555844
Any Nvidia tech, here is a bug report, please help.
Thanks !