Alot of serious Garand Collectors on the CMP forums. Have seen nice M1C and D's supposedly new/unfired bring $6K and beyond on their auctions. So with some history, accessories and absolute new could be worth a good chunk o change!
Could do some snooping around here...
http://forums.thecmp.org/forumdisplay.php?f=7or
http://www.thegca.org/