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.
We again see the kind of gains a pre-overclocked card offers us.
Half Life 2 (Episode One HDR)
The gains are carried forward into the Source based engine.
Prey on the other hand doesn't seem to gain much from an overclocked card with all cards sitting only 2FPS apart from each other.