You're right about the bodies seeming unreasonably priced. I hope to find someone more... reasonable
I had a Mamiya 7 a few years ago, and now regret having sold it.
When traveling, I like to shoot landscapes and architectural details. Click
here to see one I made in England a few years ago. It was hand-held. Next time, I'll find a tripod for traveling that fits into a backpack... I hope.
The rangefinder frame adjusts to the 150: it's not perfect like looking through a view camera or an SLR - where what we see is what we get - but it's workable.
By the way, I had a peek at some of your photos shown here: stunning.