Ignore the first half of this! A Mamiya 6x7 is made for using wherever you can take it - my RZ took a lap of the globe with me.
You Aussies are tough. I was going to take my RZ to Cambodia, Laos and Vietnam, but I wimped out. Americans are trues victims of comfort and can't handle all that weight traveling. My hats off to you! If you give me permission to brag a bit, I did go on a 3 mile hike in Yosemite with my RZ with 2 lenses. With my girl friends's help
"Photography, like surfing, is an infinite process, a constantly evolving exploration of life."