The International Bitterness Units or IBU is one way to measure how a beer tastes in terms of bitterness. While the bitterness of beer plays a significant role in a flavor profile, it is only one of many factors. Alcohol content, malt and water quality, yeast fermentation byproducts, bacteria, and aeration also affect a particular beer's taste profile.
The craft beer variety pack is the world's biggest gamble. You could get introduced to your next favorite IPA. Or, you could get stuck with Old Fezziwig.
Such a good question for fall, as nothing says NFL Football Sundays like grilling up a dozen flavorful beer brats for the game. Sure, burgers and ketchup-drenched hot dogs are acceptable fare, but why settle for second place when you can boil brats and sweet onions in your favorite beer? Besides, bratwurst, like your liver on Sundays (from 1pm-4pm), could use a good beer bath.