I am not sure which one to go for. Both cards seem good. Both are pretty ugly but which would most prefer. I am thinking of going for sapphire. I am new to Radeon cards and this will be my first time purchasing one of these so cut me slack. Also I do not know what the WF stands for on the Gigabyte.. I would enjoy an extra HDMI cable.
Links to the cards-
Sapphire- http://www.amazon.com/Sapphire-DL-DVI-I-SL-DVI-D-PCI-Express-11197-12-40G/dp/B008PQAE98/ref=sr_1_1?s=electronics&ie=UTF8&qid=1368069845&sr=1-1&keywords=sapphire+7970+ghz
Gigabyte- http://www.amazon.com/Gigabyte-PCI-Express-Crossfire-Graphics-GV-R797TO-3GD/dp/B008WAMV3Y/ref=sr_1_1?s=electronics&ie=UTF8&qid=1368070890&sr=1-1&keywords=gigabyte+7970+
Links to the cards-
Sapphire- http://www.amazon.com/Sapphire-DL-DVI-I-SL-DVI-D-PCI-Express-11197-12-40G/dp/B008PQAE98/ref=sr_1_1?s=electronics&ie=UTF8&qid=1368069845&sr=1-1&keywords=sapphire+7970+ghz
Gigabyte- http://www.amazon.com/Gigabyte-PCI-Express-Crossfire-Graphics-GV-R797TO-3GD/dp/B008WAMV3Y/ref=sr_1_1?s=electronics&ie=UTF8&qid=1368070890&sr=1-1&keywords=gigabyte+7970+