It looks like it's high-resolution-specific. I set my resolution to 1920x1080, 16xAA, post-processing on and there are no artifacts. It looks like Farsight needs to get some higher-resolution monitors to test on.
http://i.imgur.com/UTX1fyE.jpg (1920x1080)
http://i.imgur.com/llS50Xm.jpg (2560x1440)
There definitely is an issue with AA on NVidia cards.
I just replaced my AMD 7870 with a GeForce 780 and the crispness you get with 16AA isn't there on the GeForce card.
Was scratching my head a bit when the initial complaints about the tables looking bad were being posted here and on Steam since they all looked fantastic to me. But once I put the 780 in and started launching tables I noticed right away all tables lost that sharpness they had with the AMD card.
I know there's the workaround with the 3rd party program but gonna wait on a in-game fix.