1) EVGA E-GEFORCE 6800XT 128M 256BIT DDR AGP VGA DVI HDTV-OUT

 

WTF is a 6800 XT?

http://www.ncix.com/products/index.php?sku=16742&vpn=128-A8-N374&manufacture=eVGA

 

256-bit GeForce 6800 XT (325MHz clock)

128MB 256-bit 2.8ns (4x32) DDR Memory(350MHz clock - 700MHz effective)

AGP 8X/4X Compatibility (AGP 3.0 Compliant)

PC 99 DB-15 analog connector

(VESA DDC2B + DPMS)

Integrated NVIDIA TV Encoder (S-Video)

DVI-I Connector for Analog/Digital Display

22.4 GB per second memory bandwidth

Get the first one.