To be honest, I DO NOT recommend that. Any card that cheep with be the BARE MINIMUM to run GTA IV, at best. You will play on LOWEST settings with 30 FPS at best...based on the rest of your system. Though, if you are set on making it work try this: http://www.newegg.com/Product/Product.aspx?Item=9SIA5752RB8637
To be honest, I DO NOT recommend that. Any card that cheep with be the BARE MINIMUM to run GTA IV, at best. You will play on LOWEST settings with 30 FPS at best...based on the rest of your system. Though, if you are set on making it work try this: http://www.newegg.com/Product/Product.aspx?Item=9SIA5752RB8637