GAH! Too expensive! Those are cool, and being the 1992 is unique, but I have been told that the 3-speed is no good if you want to do anything other than wheel the truck. So you're going to want to look for at least a 1994 and newer with the 4-speed. If you get into the turbo-diesels, the engine MUST be a replacement for the 1990's models. The originals failed very frequently. The VLCO's are cool (open-top, half-doors) but the plastic windows are apparently difficult to see out of at night. Finally, unless you have a big bank account, you've got to do all your own work on the truck. Already, I probably would have amassed about $3,000 in shop work, but I'm spending maybe $700 doing it on my own, if that much.
Good luck. Contact me if you have any questions. I have some answers, and some experience.
