So what was wrong with it? What I saw on TV was much what I would have expected - new chassis and various suspension bits. Seemed reasonably done bearing in mind that they try to re sell at a profit which rules out a top to bottom complete rebuild.

I very much doubt that a dealer would have done any different. Again they have a profit to make and as we all know, the cost of a real nut and bolt resto is always well more than the car can ever be sold for.