This is definitely worth your time....a short set of findings from Lester Salamon, the Listening Post Project and the Center for Civil Society Studies. The paper is the preliminary results on a wide survey on current practices in nonprofit financial disclosure. It shows that most of the disclosure requirements included in the Senate Finance Committee bill are already being met by most nonprofits.
See the paper here.
Take a look and see if your organization is complying where it should. This is one set of mandates you want to get ahead of.