At a minimum it will need a front clip, (2,500 for just fiberglass), suspension front and rear (probably frame and control arms need replacement), (wheels/axles),and quite possibly transmission looking at how hard the hit was to the rear...........
If one could do all the work and was willing to completely strip the car down and rebuild it, its probably worth 10-15k. It will still have a salvage title and not be worth much on resale. (but a cost-effective route to ownership if you really want it) Scott
I personally think that it looks like a easy fix as long as the spider is OK. Once the front and rear clips are off most of the rest looks like a cv joint and some suspension pieces that a good cheapskate could make themselves or buy for a few dollars. The uprights and hubs are corvette I bet and could be replaced with CAV or even GTD parts if you couldn't find RF pieces. But I bet you can get them all over or even down under if necessary. The links are just tubing with rod ends in them and easy to make.
The expensive pieces are the windshield, wheels and likely a radiator and paint. I think I see a caliper piece on the floor but I bet its corvette or wilwood and again easy to source and cheap.
The gearbox is more than likely a Audi, lots of them and cheap if its hurt. The entire rear appears fixable as is the door and center section.
I say this just looking at a few pictures but if I was in the area and looking for a project I would be looking at this for under $10K. Somebody who can do the work himself could come away with a nice car for half of what it would be worth if in undamaged condition.
Somebody wanting something to do and a little money should have a look and jump on it for the right price.
I called on this one. The people in charge of the auction told me that the monocoque "doesn't look damaged but I can't tell for sure". That's a red flag to me. They also said the car was from an Austrailian manufacturer. Evidently you need a broker to purchase it on your behalf.