Best cards for video editing with cs5 on a HP 380t

[SchrDon]

Hello,
What is the best video card to use in an HP 380T i7 960 12GB DDR3 1333 Mhz 1GB HD 480 watt PS computer for video eding with Adobe CS5?

 

[mrjericho1991]

gts 450 is best.

 

[nihilite]

hd, 6870. Or a workstation card.