Hp Pavillion Slimline graphics card help

[n9htr3@p3r]

Hi if any one could help me i would like to knw which is better for an HP Pavillion Slimline pc a Visiontek Radeon HD 2600 XT Video Card - 256MB DDR2, PCI Express, (Dual Link) DVI, VGA, HDMI, Video Card, or a Galaxy GeForce 8600GT 540MHZ 256MB 1.4GHZ DDR3 PCI-E VGA DVI TV Out Low Profile Video Card

 

[Shadow703793]

8600GT because it is a DDR3 card.