Well, it actually runs now!
Fired it up and backed it out of the shop under its own power, turned around and backed it back in. Power steering works, power brakes work, all systems seem a go. Just need to work on the wiring now, and get all of the little stuff tidied up, then tires, lights, etc for inspection.......
Managed to snap a quick overall pic of it too. It was nearing dark, so not the best quality, but you get the idea: