xtz vs other Prowler enclosed cab interchange

I'm going to try and find a used factory cab for my cat 1000. A neighbor came up on his heated cab Gator and I was envious. We have some property that is hard to access right now and I think it would be great to load up the family in the heated Prowler and take off for the property.

There was a factory cabbed prowler listed on craigslist. He was pretty reasonable on the whole cat. It wasnt' a 1000. I'm sure he would have sold it separately to help lower the over-all price.

Are the cages similar on these cats; 650, 700 and 1000? I don't mind to make some brackets, etc.

Anyone build their own plumbed in heater? I just can't see cats almost 500 for a heater......it's little more than a blower, box, vents, switch, some hose and some wire.....