hmm, perhaps i'll just stick to my desktop....
actually, i did a little bit of research, and it turns out that ATI doesn't offer the latest drivers for their mobility chips. intstead, they want you to get the latest drivers from whoever manufactured your laptop because of the built-in screen.
i'll refer you to this page:
i hope that helps.
See the struggle of the faithless lot as they negate their time
How low to sink to the depths of their frame of mind