Quick answer is that bids seem to keep going up with bids over 20 now common.
yes
just the dollar amount.
Is there any chance for an upgrade kit for those who own the 1st edition but do not wish to buy the complete 2nd edition 1940 games?
Might FMG/HBG/others be putting one together? This would mainly be the new artillery AAA/AAA pieces I guess. Perhaps also with a sticker to correct the board (Korea SZ), but that might be pushing some copyright limits?