Another way to get some good price comparisons is to go look up 63-66 trucks on ebay. Then switch over to Completed auctions to see what they are really selling for. I use ebay like this to price stuff all the time.
Rance
66 C10 FS/LB 292/4-spd manual (I also enjoy Hang Gliding) I'm too sexy for my hair, that's why it isn't there