From an impeccable source:
http://www.anandtech.com/video/showdoc.aspx?i=3750&p=2
GTX 295 first, 5870 second.
Crysis: 25.5 vs 24.9 at 2560x1600, 38.5 vs 41.2 at 1920.
FarCry2: 5870 first, GTX 295 second.
58.4 vs 58.2 at 2560x1600, 61.6 vs 61.2 at 1920.
Battleforge: comfortable victory to GTX 295
48.5 vs 39 and 68.5 vs 54.7 for 2560 and 1920 respectively.
HAWX: again GTX 295 quite comfortably:
79 vs 68 and 111 vs 86 for 2560 and 1920 respectively.
Dawn of War II comfortable victory for 5870:
55.6 vs 49.2 and 67.5 vs 61.4 for 2560 and 1920 respectively.
Resident Evil 5:comfortable GTX 295:
84.1 vs 72.9 and 113.5 vs 105.1 for 2560 and 1920 respectively.
Batman AA: very comfortable GTX 295:
131 vs 102 and 200 vs 169 for 2560 and 1920 respectively.
L4D: swaps between GTX 295 for 2560 and 5870 for 1920:
117.1 vs 108.7 and 146.4 vs 133.8
So there you have it
Will be interesting to see what the 10.3 Cats do to shake that up, if anything...