What is the best graphics card for an AMD A8 7600?

Solution
A 750ti or a GTX 950 is what you want with that APU, as anything higher will begin to bottleneck.
Some good 750ti models are the EVGA Superclocked 750ti which is currently going for 99 on Newegg with the use of a rebate: https://pcpartpicker.com/mr/newegg/NMqdnQ
The same with the Asus Strix, going for 103 with a dual fan design with the use of a rebate, definitely recommended over the EVGA model imo: https://pcpartpicker.com/mr/newegg/9Fw323

The GTX 950 is about 50% better performing than the 750ti for a little more, so 100% worth the extra little bit of investment. Both the models i've listed are $129.99 on Newegg with a mail in rebate.
Asus Strix GTX 950...
A 750ti or a GTX 950 is what you want with that APU, as anything higher will begin to bottleneck.
Some good 750ti models are the EVGA Superclocked 750ti which is currently going for 99 on Newegg with the use of a rebate: https://pcpartpicker.com/mr/newegg/NMqdnQ
The same with the Asus Strix, going for 103 with a dual fan design with the use of a rebate, definitely recommended over the EVGA model imo: https://pcpartpicker.com/mr/newegg/9Fw323

The GTX 950 is about 50% better performing than the 750ti for a little more, so 100% worth the extra little bit of investment. Both the models i've listed are $129.99 on Newegg with a mail in rebate.
Asus Strix GTX 950: http://www.newegg.com/Product/Product.aspx?Item=N82E16814121980&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=
MSI 950: http://www.newegg.com/Product/Product.aspx?Item=N82E16814127934&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=
 
Solution