Several years ago, before I was elected to TalkBoard the first time, it not only considered a Duty Free Forum but actually voted to approve it.

It never became a reality because nobody could figure out how to make it workable. If I am flying from JBurg to Atlanta, for example, what interest would it be to me to know that booze is available at a good price in Tel Aviv?

Today, such a forum would be even of less use. Duty Free shops no longer exist in the EU. Yes, they keep that name but they are no longer Duty Free and you can generally expect higher prices in them than you would find in town.

I may be wrong but I would guess that most international flights by FlyerTalkers are either to/from Europe so they would have no role in a Duty Free Forum.

If you do want to find out what the prices are in ATL or JFK (no great bargains in either city), you can post on the local forums. If you are flying TLV-USA you can ask about the Duty Free on the Middle East or El Al Forum (you will be told that the only real bargains are on cigarettes and booze -- but you can't take the booze aboard your US-bound flight).

There are undoubtedly some exceptions but the general rule today is that for booze and smokes your best buys will be on the flight itself and for anything else to purchase it before you get to the airport.