If you have never heard of Folding@Home before check it out here:
http://folding.stanford.edu/
In short words: You're donating computer power to help research on protein folding.
The software you need comes with the new firmware. You can find it in CrossMediaBar.
Due to the hardware on the PS3 it has some nice realtime features, give it a try.
Of course all other systems and architectures are also welcome to join the group.
Our group number is: 55180
Team stats: http://vspx27.stanford.edu/cgi-bin/main ... mnum=55180
screenshot of folding@home on ps3





