I am not a fan of the Traxxas or Spektrum smart chargers, but I have seen others here post about the Spektrum one saying they like the ease of use. I think they were created for people just getting into the hobby, because with regular chargers, you need to learn a lot about caring for your...
The entire Arrma line seems to be good trucks. We have a Kraton 6s BLX and a Granite V3 3s BLX. The Granite goes through rear axles like candy, but part of that is due to running on grass, and driving it like a stolen Corvette.
If you got the funds, I would definitely go Kraton. If you are...