Diablo 3 with FXAA Injector - Graphical Tweak
NOTE I did not make this tweak, credit goes to Half64
http://skyrim.nexusmods.com/downloads...
Extract the files into the Diablo 3 folder, start the game, press 'Pause' on your keyboard. Done!
This isn't exclusive to Diablo 3, it works with alot of games! Experiment with it!