Just so people don't get too carried away with the comparisons between PCs and PS3, you should know that they aren't really doing the same thing. Apparently the nature of the PS3 means that it is used for certain types of calculations, and some of the calculations that are done on the PC aren't done on the PS3 at all. So it's a little hard to do a straight comparison between the two. A PS3 is very fast (faster than a PC) at the kind of work it's being given, but that doesn't mean that it's better in every way than a PC doing Folding@Home.