For those looking at this game and still have only AGP you can take a look at ZipZoomFly. The card is currently out of stock but I was told that shouldn't be to long for more to come in. Its pretty decent price at $240 and it has 512MB and has slightly faster from default X1950 Pro clocks.
http://www.zipzoomfly.com/jsp/Produc...uctCode=326860