AA and AF - Should you really care about them?
 

"In this article, we discuss Anti-Aliasing and Anisotropic Filtering and how they can improve the visual quality of your everyday gaming. we investigate ATi's take on AA and AF filtering.

http://www.rage3d.com/articles/AA_AF/index.php?p=1

I stopped bothering with AA after getting the 24" LCD, the resolution is good enough to minimize the jaggies.