Very optimistic and also ignoring reality, some ISPs and universities block Gnutella allready!
When RIAA has shutdown other peer to peer system, what makes you belive that they stop and do not attack gnutella? This is big business with a high money flow, think creative... if lawyers do not suceed, RIAA could try to abuse the network, flood the net with fakes (read Harry Potter floods on Slashdot) or DoS or.... is Gnutella really that strong?

You seem to look very conservative/reserved on Gnutella, what are your ideas to improve Gnutella?