Shesells, take Heathrow for example. If I went DUB-LHR-HKG I won't buy (say Champagne) in DUB because LHR will be cheaper. If I'm travelling just a LHR-DUB sector I'll still be able to buy a bottle at the same price I bought it for on the LHR-HKG sector so I can't see a difference. In DUB they could sell it to me at the Duty free price but the Duty free price is still more expensive than say my local branch of O'Briens so no incentive. In DUB duty free they have a guarantee that they are cheaper than downtown but when you look into their definition of what they call down town you can understand how they can make a claim that is really worthless also their much publicised shop and collect service is not available to their duty free prices. I just hope when they open T2, their Duty free prices will encourage people to spend because at present the only people who feel they are making a saving are those who don't know their prices.