You can get updated Nvidia Drivers for you Macbook here:
For XP:
http://www.laptopvideo2go.com/drivers/xp/180.70
For Vista:
http://www.laptopvideo2go.com/drivers/vista/180.70
It has updated 'forceware' and installs without problems. I noticed better performance in games than i was getting with the stock apple drivers. These are for the new late 2008 aluminum Macbooks with the geforce 9400m chipset.
For XP:
http://www.laptopvideo2go.com/drivers/xp/180.70
For Vista:
http://www.laptopvideo2go.com/drivers/vista/180.70
It has updated 'forceware' and installs without problems. I noticed better performance in games than i was getting with the stock apple drivers. These are for the new late 2008 aluminum Macbooks with the geforce 9400m chipset.