Well i guess you know the Answer why im running SETI on my PC!
I believe like the most of you, that we are not alone in universe and i think its just a mater of time till we catch the first signal from an Extraterrestrial Civilization.
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.