Imperial Porter, Imperial India Pale Ale, India Pale Ale, Extra Special Bitter, Pale Ale, and Pilsner. I love the Imperial Porter and Imperial IPA. I like the IPA and ESB. I can't comment on the Pale Ale or Pilsner.
This blind taste test of Murphy's, Beamish, and Guinness might interest you.
Left4Beer: The Great Irish Stout Blind Taste Test