Duty free store single malts for Canadians travelling to USA

[Quaich1]

I haven't been over to the USA for an extended trip lately; 48 hours stay before a litre bottle of spirits can be brought back without paying duty.

I scanned the Duty Free Store site at the Peace Bridge in Fort Erie and found some interesting single malts that the LCBO doesn't offer and of course at reduced rate. Here are a few of them I have never tried and prices. Any comments.
Glencoyne Burnfoot 1 litre $54.99 Canadian dollars

Glenfiddich 19 year 1 litre $119.99 Can.

The Glenlivet master Distiller's 1 litre $37.99 Can.

The Glenrothes Robur reserve 1 litre $89.99 Can.

Glenmorangie Signet 700ml $399.99 Can.

Glencoyne 1972 Vintage $699.99 Can.
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"Always carry a large flagon of whisky in case of snakebite and furthermore always carry a small snake."
W.C. Fields (1880-1946)

[Mark]

The only travel retail/duty free Glenfiddich 19 year old i am aware of is the 3 bottlings in the Glenfiddich Age of Discovery range, all are excellent. If it is a 1 litre boottling of one of the Age of Discovery range then it is a good price.

Glencoyne Burnfoot is cheap for a reason, in fact i would say that price isnt cheap enough.

[albo]

The Signet is excellent thought at 400 dollars you'd expect nothing less.

I've also tried the Glenlivet which is available at travel retail over here. It didn't do anything for me personally and for the price is prefer the Nadurra any day of the week.