Our Overclockers.com Folding@Home team is hosting a contest where prizes are given away every week! Join the team, and get a chance at winning! Installing the F@H program which runs in the background is all that’s necessary to join.
All contest details, including drawing dates, can be found in this forum thread. The official signup thread is here. The contest runs throughout the month, and it’s never too late to sign up!
Our Overclockers.com Folding@Home team is ranked 4th in the world. Go here for an introduction to the team, their goals, and the Folding@Home distributed computing project.