USA Today recently ran this story that details bands for whom P2P file sharing has been a good thing. From the article:
"I definitely believe that file sharing has helped our business," Guster guitarist Ryan Miller says. "We've sold only a couple hundred thousand copies of each of our last albums. We've never made a cent from our album sales, so we don't really see that money anyway."
Of course, the RIAA is not allowed to ahve a problem with (nor will they "protect") the copyright owners that choose to release their intellectual property willingly on file sharing networks.
Makes me think of something I read in a marketing book once; soemthing to the ffect of: "If you truly believe in your product, you should be willing to give it away for free."