Absinthe is a most unusual cocktail ingredient as it's the main base spirit in some cocktails while is used as mere dashes in others. Absinthe's aroma...
I submitted (and made public) the recipe for Van Gogh's Martini, which I enjoyed at 'Gamble' cocktail bar in Copenhagen. It contains a staggering 10 ml of absinth. It is nicely balanced with China-china, green chartreuse and celery bitters. Do try it!
I submitted my own Absinthe cocktail and made it public. Simon you should check it out and see if it is worth of this list! I'm going to try a few of these, especially the highball.