A mature blue Stilton is my greatest passion, but if you'll admit Eurocheeses, then I do like to nibble on a piece of fresh Parmesan every now and then. And good Roquefort is a delight. As is a mature, pongy Brie de Mieux.
on the other hand, i have smelt the most evil smelling cheese ever :O
(my french supervisor once brought in cheese to work that smelt like something had died and was left behind a radiator for a month before scraping it into a tub)