I wouldn't add value for the barrel. It came with one that works and swapping it for a generic CP isn't a huge gain. The redline board is nice but if it doesn't come with the original parts as well I'd subtract their value from the added value of the replacement parts. I'd spend $400 max on it, but I tend to wait for a good deal rather than buy fast on an average deal. If I were selling I'd start $550-$600 since everyone low balls on here and the axe seems to have some magical resale value gnome telling sellers it's worth $50 more than they paid for it new.