SETI is a very interesting project in many ways. Even for the ones that do not believe in ETL, it is a great project in terms of distributed data analysis.
I believe that extraterrestrial life do exist, my questions are where and how?!
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.