Ok i agree... the no load off resistance is 2.74k when I check it with my meter. Maybe I needed glasses back them or something!!!
The do nothing app goes on the end of the daisy chain, just like a terminator to earth. If its not there, the ground for the PSU circuit receives all the ohms the circuit produces. In this case, about 3m ohms, without a current draw of 9.6vdc in the load. (assuming the 9.6vdc requires the 3m ohms, which it does). When the psu is designed to produce 2a and your load is less than what your PSU puts out, there shouldn't be any problems, but if the load is not there, I would think the PSU would require at least a similar impedance at ground, and if the impedance is over 3m at the ground (which it is without the load) the PSU is really going to be taxed trying to pump the excess 2.4vdc across 3m of resistance! Thats why I liked the shunt idea!