So today when I visited my LBS for some unrelated things, I stumbled across a pretty rough looking Rockhopper. It was in my size, and my LBS was asking $20 for it, so I took it. I've always loved Rockhoppers since I had my one and only, so the chance to get one AND from the time period I prefer to work from is awesome. The serial number is 0W078959. Cromoly tubing, "direct drive", biopace-SG crankset, exage 400lx front and rear derailleurs. Not sure on the year, other than early 90s.
I guess a new project is in the works!