Looks like a great rig Chip. Really well put together. Now just get the shell painted up nice and it'll be a winner.
If you're running on sand, or any dirt for that matter, do yourself a favour and put a strip of tape over the USB port on the Mamba Max. Those mini-USB ports clog with dirt real easy.I spent hours at work fishing mud out of one after my boss dropped our camera cable in some mud.