You think the prices for the Datsuns in your area is bad? Try AZ.
$14,500 for a 1972 510 Goon
http://phoenix.craigslist.org/evl/ctd/3643669477.html
$6,000 for a 1969 510 2 door
http://phoenix.craigslist.org/evl/cto/3717680698.html
$5,000 for a 1981 510 2 door.
http://phoenix.craigslist.org/nph/cto/3622375725.html
$2,350 for a 1973 b110
http://phoenix.craigslist.org/cph/cto/3724639231.html