The short term federal bond fund entails slightly more risk and slightly better returns historically. If you are willing to take a tiny bit of risk that is also a good choice. But if you truly need penny for penny safety, stick with one of the MMFs.
San Francisco Area
ESR'd March 2010. FIRE'd January 2011.
As if you didn't know..If the above message contains medical content, it's NOT intended as advice, and may not be accurate, applicable or sufficient. Don't rely on it for any purpose. Consult your own doctor for all medical advice.