I think this is a good project. I ran the software a bit when I was back in high school, and then forgot about it for a few years. I'm glad to see that it's still around, and happy to participate again.
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.