Actually, turn off AA, but leave on FXAA. That should make everything pretty on an ATI card

The two combined is a blur fest.
check it, LOW and ULTRA settings. Looks the same. Definitely something wrong here when BF3 looks a bajillion times better.
[img]http://www.flickr.com/photos/69713337@N06/6335504272/in/photostream/lightbox/[/img]
[img]http://www.flickr.com/photos/69713337@N06/6335504806/in/photostream/lightbox/[/img]