After doing a SMALL amount of further research....

One of the members of Congress holding out on the Bush administration's version of "ze plan, ze plan" is Senator Richard Shelby. I absolutely believe that he's doing the correct thing in this case. His position can be viewed here and he provides a link to a list of over 200 economists who want, at the very least, a reasonable discussion of the policy issues and effects of the proposed dramatic government intervention in the market.