"Caol Ila" 12 is a beaut. It's peaty but not too peaty, and doesn't bring about the sensory deprivation brought on by Ardbeg (Not saying Ardbeg isn't lovely too in it's own way, it's just not the same.) It's pronounced as 'kul-eela' incidentally, it's Gaelic for the 'Sound of Islay', as in the strip of water between Islay and Jura that the Distillery faces onto. The 18 if you can find it / stretch to it, is also a cracker. Fine whiskies both.