collectorcartrader.com...also try the classifieds in the MBCA magazine The Star, which you can access from their website.

If you don't mind travelling for a good, rust free car, I was tipped off here to check the on-line classifieds of the Atlanta Journal-Constitution: Southern, rust-free cars, generally owned by better-off people who maintained them.

In Hemmings Motor News each month is an ad from Paul Padgett in Cincinatti, who has been flogging diesel "drivers" in the midwest for a long time.

Good luck!