I don't see how it will change the situation. I mean, what happened to Rochr with the techno CDs, would happen regardless of the ability to issue subpoenas. That is, you can always close down an offending site if they display your work without a permission. And if the thief asks money for something of yours, you can always track him down without resorting to a subpoena against an ISP. And individual lawsuit will still be possible. So, status quo ante belli. BTW, even if it applies, it will change absolutely nothing in your copyright. BTW 2, I'm for the court's decision, because RIAA has very little to do with protecting the authors and their copyrights.

-- erlik