World in Conflict:
2560 x 1600 Ultra 4xAA Max
5870(orange) vs. gtx470(light green)
(Ignore the color of "5870" and "GTX4x0" in the top right, colors were inverted for the overlapping image)
Farcry2:
2560 x 1600 Ultra 8xAA Max DX10 min/avg/max
5870: 17/32/55
GTX470: 30/40/67