I'm setting up Oblivion on my new rig and everything seems to work fine, except that there are vertical lining on the screen. It's quite noticeable on the face of my char in this screenshot:

http://i.imgur.com/WehmJoe.jpg

Anyone who has an idea what might be causing. My first guess was Vertical Syncing (although it doesn't look like the tearing you usually get sometimes w/o it), but it's the same with or w/o VS. Can it be that I'm running both HDR (via the game) and AA (via CCC)? Weird.

EDIT: Yes, that might be it. Switching from HDR to Bloom, removed it. But I'd like to have both HDR and AA...