Best graphics card for msi 785GT-E63

[shaka24]

Hello, was doing an upgrade on my system and wanted to know what would be a decent graphics card for it....
Cpu: Phenom II 965 (3.4ghz)
Ram: 8Gb ddr2
Psu: 600w (cooler masters)

 

[jryan388]

Whats your budget? AMD or Nvidia or you don't care?