Seti@home is a great idea! Why not use up all those unused CPU cycles for something constructive and worthwhile. 'Cos we all know its only a matter of time before we here from other life. The Odds are to good for something else to be not out there, even if it is just a microbe.
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.