As always Al is way right about the samantha module. I also like using the Wago Lever nuts, but the anderson connectors are best but require a bit more work.
Another thing I see that lots of teams overlook is giving some support to the usb connector on the bottom of the samantha, its just soldered on to the pcb, so just putting a bolt and nut or two under the connector so its not cantilevered can extend the life of your samantha. This is especially key if you have a first gen samantha as they failed quite often this way.
Here in Florida we dont see much static issues because of our very high humidity, but in the newest wiring guide they recommend using a USB surge protector to help with this.
Its worth reading the newer guide much of what we have talked about in this thread is in there:
http://www.usfirst.org/sites/default...ring_Guide.pdf