i like the dark ales and stouts mostly.
Guinness (of course) and 1554 Brussels Style Black Ale (New Belguim Brewing) are 2 of my favorites.
honorable mentions: Fat Tire, Michelob Amber Bock, Arrogant Bastard Ale, Dos Equis Dark, Samuel Smiths Oatmeal Stout, Killians Irish Red.
