Nothing like using some extra CPU usage to help a project that I am passionate about. Also best way to keep your room warm on cold nights! haha, that should be Boinc slogan from now on. :p
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.