I see no difference between, LOW, MED, HIGH, ULTRA in Skyrim. And I can most certainly confirm AA is not working regardless of setting. Has anyone else noticed this? "He Who Longs For The Day Nvidia Or Ati Add Virtualization To Their Gpus." (or Parallels figures out how to use CUDA) [2010 27" i7 iMac, Lion and Parallels 7]