What video card it the best?

http://cgi.ebay.com.au/NVidia-Geforce-7600-GT-7600GT-GPU-256MB-DDR2-AGP-8x-DVI_W0QQitemZ230247562735QQihZ013QQcategoryZ40156QQssPageNameZWDVWQQrdZ1QQcmdZViewItem or this http://cgi.ebay.com.au/NVIDIA-GEFORCE-7600-GS-7600GS-512-MB-AGP-8X-VIDEO-CARD_W0QQitemZ310047069449QQihZ021QQcategoryZ40156QQssPageNameZWDVWQQrdZ1QQcmdZViewItem or this one http://cgi.ebay.com.au/NEW-VIDEO-CARD-ATI-RADEON-X850XT-X850XT-256MB-AGP-8X_W0QQitemZ310047608389QQihZ021QQcategoryZ40156QQssPageNameZWDVWQQrdZ1QQcmdZViewItem