i found this article quite interesting, especially the figures it provides on how much computational power PS3's have added to the Folding At Home project.
PS3 power usage during Folding@Home » HCW Tech Blog
it would be great if we could get a bunch of PS3 owners here folding for team #12864 (Tech-Forums)
!!!!
if you're interested in folding on your PS3 check out this page:
PS3 FAQ