http://www.mcc.rsa.ru/progress_m04m.htmWell, there is Russian page from TsUP, showing loads of detail about the flight, including the specifics on the cargo. The highlights are:363 kg water for the Rodnik system (Moscow water)871 kg prop in the refueling compartment250 kg prop in the service module allocated for ISS needs77 kg - electronics system, which probably means an 800a battery133 kg for the food rationing system96 kg medical system supplies4 kg for Poisk systems496 kg for the American segment (your tax dollars at work)Total cargo load: 2686 kgThe nominal initial orbit is 193 km x 245 km, watch to see how far off they go.