Just a bit of cost information to add to this thread.
I just had my 1940 cab blasted and epoxy primered by a local company for $300.00.
I also have a small unit at home for the occasional bucket of parts. But for the space, cost and occasional use for bigger items, I have to agree with Stuart on this. Since I am only working on one project this is what makes sense to me. If I was doing more or trying to make money on my project

, I might change my mind.