A subponea list is located here (provided by eff)
http://www.eff.org/IP/P2P/riaasubpoenas/

How to *not* get sued by the RIAA (also by eff)
http://www.eff.org/IP/P2P/howto-notgetsued.php

If you *have* been subponead go here:
http://www.subpoenadefense.org/

just some interesting links i thought you might like.