Frankly I just love the thought of the power in scads of 'puters crunching all that data in pursuit of something so ephemeral. I don't know if my lifetime will witness fruit borne... nonetheless it's very satisfying!
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.