So give me your thoughts on which is better. Here are the cards:
Radeon: gigabyte Radeon R9 285 OC, 2GB GDDR5 (256 Bit), HDMI, 2xDVI, DP or Sapphire Radeon R9 285, 2GB GDDR5 (256 Bit), HDMI, DL-DVI-I+DL-DVI-D, DP, LITE
GTX: MSI GeForce GTX 770 OC, 2GB DDR5 or Gigabyte GeForce GTX 770, 2GB DDR5 (256 Bit), HDMI, DP, DVI, BOX
Radeon: gigabyte Radeon R9 285 OC, 2GB GDDR5 (256 Bit), HDMI, 2xDVI, DP or Sapphire Radeon R9 285, 2GB GDDR5 (256 Bit), HDMI, DL-DVI-I+DL-DVI-D, DP, LITE
GTX: MSI GeForce GTX 770 OC, 2GB DDR5 or Gigabyte GeForce GTX 770, 2GB DDR5 (256 Bit), HDMI, DP, DVI, BOX