I doubt you have a 8x agp slot not that you need one.

http://www.newegg.com/Product/Produc...82E16814102295
That one is pretty good for the price you could probably even run like Half Life 2 at really low settings, newer games like FEAR and Quake 4 I doubt. But for ~$100(about 50 pounds right?) thats the bets you will prob find.


http://www.newegg.com/Product/Produc...82E16814135164
Would be a lot better for only a lil more.