all billet shafts, and everything else.... probably looking at about 6000-7000 for the the trans...could you get away with something less...probably, not sure on the reliability. I don't know what you plan to use your truck for but personally I plan to make some passes at the track with mine and general shenanigans on the highway including wide open throttle runs daily. and i plan to be around the same power levels on fuel.
http://www.midwestdieselauto.com/64-transmission.html i'd go with a comp trans from midwest and use a dpc converter if it were mine. spend the money once and be done hopefully. I've never had any luck taking the cheap way out of anything so I stopped trying and always go the more expensive, heavier duty option now, and its saved me from doing things two or three times.