which gtx 780 should i get here is one i saw for cheap but which one should i get
http://www.ebay.com/itm/FREE-SHIP-ZOTAC-NVIDIA-GeForce-GTX-780-AMP-Edition-OC-3GB-GDDR5-/191045483817?pt=PCC_Video_TV_Cards&hash=item2c7b32bd29
http://www.ebay.com/itm/FREE-SHIP-ZOTAC-NVIDIA-GeForce-GTX-780-AMP-Edition-OC-3GB-GDDR5-/191045483817?pt=PCC_Video_TV_Cards&hash=item2c7b32bd29