We have a spare 3.2 in the garage that we bought last year when we first found out the car had crank cancer. We didn't anticipate having it welded and it actually working for as long as it did, so at least that part is covered.
As for what it would take to fix the engine that's in it....I really don't know. I would imagine that we could try to weld it again, maybe placing more tacks than originally done? I really don't know. I don't think a crank could be swapped "in car" though.
As for motor swap, it'll be little different doing an ATX, but first things must come first as usual. The spare motor would need to have the rod bearings replaced and a 60k done in it since all that would be so much easier with the motor on a stand rather than being in the car.
So...the game plan for now is to get him temporary transportation and let the 95 sit. We may end up just parting the car, I really don't know at this point whether he really wants to go through with the motor swap or not. I know I don't feel like doing a motor swap on it, that much is certain.
Time will tell and I'll update as I know more.