Do'oh, face-palm! Darr. And I watch that movie too. I'll have you know most the time I don't even remember how old my siblings are (or my mum for that matter), soo, yeah...
Yes something along those lines but less exposed, crew-wise. Much more cargo space. And guns for fending off the local fauna and maybe the occasional, unpleasant local. I'll see what I can come up with tomorrow. Maybe some drawings and a nice pile of bits for starters.