Hi all, i am thinking of upgrading my system to a 7800GS grahpics card, my pc can only use AGP cards so it is best card i can buy (so i have heard). There is a large price difference between the 256mb and the 512 mb card, is it worth the extra money for the extra memory, and what difference will it make. DO you know how well it could run BF2142? Thanks for your help.