There are several good choices... The traditional fondue is half Gruyère and half Vacherin.

Switzerland got the Gruyère, the Vacherin, the Ementhaler and the Tête de moine, the bests cheeses ever! And Switzerland got the raclette and fondue, the moste famous swiss dishes.

The Big Cheese - 2011 Mac and Cheese 1-1 was released on:

USA: 3 November 2011

There are so many varieties of cheese in France that collecting reliable statistics is dificult and costly. However, there is one cheese that is on almost every cheeseboard, in every restaurant in every French Department, and is usually expensive in supermarkets; my informed guess is that the winner is . . .Roquefort.

Cheese Burger2 / (mass+cheese)