It is likely that the Folding@Home project will cross the 5 petaFLOPS barrier at some point in early 2009.
It is currently hovering around 4.6 petaFLOPS, but I have been keeping an eye on it, and it has been slowly creeping up for the past couple months.
According to wikipedia, these are when the different petaFLOPS barriers have been crossed:
1 September 16, 2007
2 early May 2008
3 August 20, 2008
4 September 28, 2008
3 to 4 went pretty quick (likely because GPU additions were coming in fast at that point), but it has been inching for awhile after that.
I know it doesn't have to do with our team specifically, but I was just thinking about it.