That's ok news for xbox owners, but seriously, the ps3 is leaps ahead when it comes to Anti Aliasing. The xbox 360 maxes at 4 times MSAA, the ps3 is capable of much more than (16 times MSAA), More advanced than most high end computers, all thanks to the cell. For instance, uncharted 2 is flawless. Here read this article
http://gamer.blorge.com/2010/01/05/ps3-smoothing-beyond-that-of-high-end-pc-graphics-card/