Neither one was extremely valuable, the aluminum one was my "personal" bike and the steel one I had been rebuilding to sell. But it still sucks. As of today they are still missing.
In my grief I immediately scavenged two more bikes - an '80s Raleigh Campus and a little Wal*Mart special:
This bike is only noteworthy because I swopped it recently for a much nicer early 90s Fiori MTB (pictures soon)
Although this was satisfying, I still do not have a mountain bike for myself. Today I have taken action, and obtained this:
Now all I need are all the rest of the parts!