well, having run the truck 6-10 times now i have concluded that my setup is very good. instead of running 2p batteries i decided to only run 1p. i get 20 mins. of run time on 1p which is pretty good. the A123s provide constant continuous power up until the last seconds of run time when they dump. and i mean DUMP. i know this is normal. the truck runs very cool even when doing high speed runs. the MMM is barely warm at the end of a high speed bash session and the fan never has to go on. the battery pack does not get anywhere near hot and the motor is hot at the end of the run but not overly hot. here are some pics of the final setup. and a small video at the end.
unpacking the final shipment
all the new goodies laid out
and finally some pictures of the final setup

^^notice the switch is held on by the zip tie that is used to secrue the MMM
and lastly the video