The Folding@Home project has reached over 1,000 TFLOP. The PS3 alone accounts for 7/10th of that. Keep in mind that these stats change all the time. But pretty impressive. The PS3 Donor name is actually #1. Check out this link.
Our PS3Blog.net Folding@Home team is currently ranked 661 of 68067, not bad for only 91 people [...]
"Folding@Home breaks 1,000 TFLOP" - 31.05.07