While the odds of SETI succeeding are very low, I still can't believe that there isn't other intelligent life out there. My biggest fear is that we'll find them to be like James Dobson or Pat Robertson.
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.