The celeron g530 I'd like to spend ~$50-$60 on the card..
$50 will get you a 5570.
http://www.newegg.com/Product/Produc...82E16814102874
If you can pay $70 you can get an HD 6570, which is almost the same thing.
http://www.newegg.com/Product/Produc...82E16814102934
Both are what you'd be getting with a Llano APU.