Gigabyte's Radeon 9800 Pro with 128 MB DDR memory. And what a nice powerhouse this card is. A highly efficient and programmable graphics card with a computational speed that is simply breathtaking.
If we take Sid Meier's Civilization on one side and a real time strategy game like Age of Empires on the other side and then we successfully embed them into each other, that is what Rise of Nations is all about.