http://bugs.winehq.org/show_bug.cgi?id=18381
--- Comment #5 from Ben Anderson roothorick@new.rr.com 2009-05-10 12:57:44 --- Wine doesn't expose AA stuff to D3D games, at least not yet. Oblivion only offers "None" for AA settings. And no, I have it disabled (well, set to application configured) in CCC, too.