Trevor Potter has this Roll Call oped (paid subscription required (or here, without a subscription). A snippet: “These reform opponents presumably believe it would serve their interests if the Internet became an outlet for the same soft money that virtually drowned out the modest contributions of average citizens in the 1980s and 1990s, and that Congress banned in 2002. So they are trying to argue that a movement is afoot to ‘regulate grass-roots activity’ in order to stop any regulation of the way state parties, corporations and unions finance federal political activities that take place online. If they are successful, they will have opened an Internet loophole through which soft money can once again flow freely.”