What kind of video card should I get for a toshiba satellite laptop, to play most newer games?

I can run Rome total war fine, but sid meier's pirates crashes while out to sea, due to the current video car not meeting the requirements|||sorry you can't up grade your card --it is none user replaceable

read this article

pcworld.com sept issue 2008 page 82

get more out of your laptop

xplains why u can and cant replace certain parts in a laptop|||sorry laptops can't be upgraded except ram,hard drive and dvd drive|||You cannot upgrade the graphics card in that, or 99% of laptops. You're stuck with that graphics card.