What's the best bang for buck Professional Graphics Card?

[Fernandoemh]

I am torn between a k600 and a v4900, is there a better option?

 

[Mankar Kameran]

http://vr-zone.com/articles/sapphires-amd-firepro-cards-edge-nvidia-quadro-benchmarks/71476.html
I would probably consider the v4900 according to these benchmarks.