Just about everyone has heard of Goldman Sachs.

Few, until recently, had heard of Mike Morgan, a Florida-based investment adviser, just recovered from heart surgery.Over the past few months, Morgan has become one of those shooting stars of cyberspace. He set up a blog, goldmansachs666.com , whose posts have included "Does Goldman Sachs run the world?" and "If Goldman Sachs robbed your house, what would you do?".