Which card is better, which should I buy?
MSI Geforce 7600GT NX7600GT $180.00
BIOSTAR V6803GS52 Geforce 6800GS 512MB 256-bit GDDR3 PCI Express x16 Video Card - Retail $190.00
XFX PVT42EUDE3 6800 XTreme 256MB 256-bit GDDR3 PCI Express x16 Video Card - Retail $134.00
Leadtek WinFast PX7600 GT TDH Extreme 256MB 128-bit GDDR3 PCI Express x16 Video Card - Retail $195.00
MSI Geforce 7600GT NX7600GT $180.00
BIOSTAR V6803GS52 Geforce 6800GS 512MB 256-bit GDDR3 PCI Express x16 Video Card - Retail $190.00
XFX PVT42EUDE3 6800 XTreme 256MB 256-bit GDDR3 PCI Express x16 Video Card - Retail $134.00
Leadtek WinFast PX7600 GT TDH Extreme 256MB 128-bit GDDR3 PCI Express x16 Video Card - Retail $195.00