53HRA

Size, price & your bank balance 😄 

I find the X-Maxx quite easy to lug around. The wheelie bar is a very convenient carrying handle, and it doesn't weigh much for the size. You'll appreciate that once you have lugged a DBXL-E around, which in the end i had to DRAG on a line behind me because by the time i got where i wanted to be, i  just couldn't be arsed to collect my arms that had fallen off half a mile away, and wanted to get home. 

As Guns pointed out, switch to Max6 immediately, and that's it. The truck is, for the moment, perfect. He's correct about the rear hubs, but they don't need doing immediately. I've driven mine quite a while on standard hubs and worked just fine. Mine came with an indestructible shell, so no goo for me. 

All in all, and i say that as a certified Traxxas-"disser", it's probably the best RC on the market if you can stomach the price. It just is. The only downside to it is that it's expensive - as in, high price of admission, not overpriced like the Maxx. 

Find a used one with a Max 6 for around the £7/850 mark, itll always be worth around that. Or wait and see if there is a V3 Wide one coming out?

And obviously, youll want a quad charger and 4x 4s lipos ideally