Yep and what your thinking of doing Alan, will make the car very expensive and seeing as you'll be feeling cheated out of a lot of money already, i think you'll be feeling even WORSE when you come to selling a Cat-C write-off Subaru wagon on.....not an easy job.
8k for the STi wagon is defo too much, but it has had the rebuild....although you'll never know how well done the build was, unless you have the reciepts for the parts bought and know the garage that done the job.