Best graphics card for R1500/$176

[Ndusta]

only restriction i have is the price tag thats all .WHich is R1500/$175 .ati or radeon alss good with me. Currently got a palit 9500GT for 2 years now. I was thinking the radeon hd6670 but really havnt kept tabs with gpu's out there after my purchase

 

[sosofm]

Ati 6770 or 6790