Perhaps we need some kind of mini-FOOMing marginally Friendly AI whose only goal is to ensure that nothing seizes control of the world's computing resources until SIAI can figure out how to get CEV to work.

You mean: rather like the Monopolies and Mergers commission?

We already have organisations like that. One question is whether they will be enough. So far, they have hampered - but evidently not yet completely crippled - the Microsoft machine intelligence - and now show signs of switching their attention to Google:

http://techcrunch.com/2010/02/23/eu-antitrust-google-microsoft/