I found a glow starter that is based on a "D" cell - once it's charged it will literally last a month. . .it was made by Cen (gasp) and it actually is a great starter.
For a box, yeah, if you are running a NTC-3, the Assoc box is actually made for it and it fits great. I have an Ofna box and I had to highly modify the box to make it work, although it works great now.
I haven't found that the two 540's or 550s are too bad, unless you are running 1/8th. I have broken in several motors, including Mugen, RB and OS on my box and haven't had any trouble. I am thinking of upgrading the motors to a couple of E-Maxx motors, but only just tossing the idea around, at this point.
RC10L2.5W - RC12.4 - RCNTC3(bmi) - TC4 (modded) - B44.2 - plus rent-a-rides! :D