Shorty in the back, electronics all in-line (except for PT and receiver), Cream battery stopper.
http://www.petitrc.com/setup/durango...ndonk20130727/
In first instance I did it out of necessity to fit the ESC (luckily I already used Shorty packs). However, it also turns out to work very well! I really don't understand why people run weight in the front end of their 210...perhaps I just run on too low bite tracks for that to work.