I found this website called thesamba.com, and it is a large VW enthusiast site, and has a huge classifieds section. I found this 1978 VW rabbit diesel in tennessee, for only $300, and it runs and comes with a spare engine. Here is the link:
http://www.thesamba.com/vw/classifieds/detail.php?id=283246I figured that this would be helpful to someone in that area doing a diesel swap on their samurai.