High Quality AA and AF
Our high quality tests let us separate the men from the boys and the ladies from the girls. If the cards weren't struggling before they will start to now.
Checking out 3DMark 06, we can see the HD 4850 in Crossfire gets a good jump on the GTX 280. It seems that the AA and AF issues ATI/AMD had over the past few generations of cards are finally fixed.
World In Conflict
WIC finds both setups performing very similarly with the HD 4850 CF setup of course coming in at about 30% less.