" Morpheus is a proprietary Windows app last I looked, is the something else OpenSource we could use to develop a distrbuted network cuz the idea is great! "
AFAIK, Gnucleus, the GPL'd implementation of Gnutella, can also do shotgunning. But i'm not 100% sure.
The capability to shotgun downloads is critical for this type of project, since the bandwidth needs are so huge.