Games: Halo PC, UT3, HL2, L4D, CoD5, FC2.
AA setting is 4x for the newer titles.
I don't think the HDD is active during chops.
I don't think L4D and UT3 chopped on me when I ran them on my older PC at 25-30fps.
This seems to be consistent with the way Halo PC started chopping after I got a new...