Look at something extremely detailed and switch between Max MSAA SOAA etc, you should see the subtle differences....another good one is Lara Croft's hair Tomb Raider, check that one out ;)
Or full SOAA Witcher 2 or DOF Metro 33
Its not just AA / AF but there is a gammet of Options now available for "improved visuals" DX11 Titles.
Also, any DX9 Title is no challenge at all
Introducing me n my OCD to Watercooling, is like taking an Alcoholic to an "all you can drink" Beach Bar in Mexico