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A blade coffee grinder, which is the standard for most home coffee drinkers, has a food processor-like blade that swings around and chops up coffee beans. The grinders are usually fairly inexpensive and do the job of grinding up beans faster than you could do it with a hammer, but they are not necessarily very efficient, nor do they come close to getting the coffee beans evenly ground. Burr grinders, which are more expensive but crush the beans instead of chopping them up, produce even grounds and will generate the most consistent flavor in coffee - not to mention that they offer a range of sizes (from powdery fine to coarse) that work with different types of coffee makers, including espresso machines and french presses.

The Wall Street Journal's catalog critic sat down and tested a number of burr grinders to see which ones performed the best. The less-than-satisfactory grinders included the Capresso Infinity burr grinder, The Krups Burr Coffee Mill and the Cuisinart Automatic Burr grinder. The top performer was the KitchenAid Proline Grinder ($200), which produced grounds to exacting specifications and stored them in a nice glass container before use to eliminate the possibility of static charge making grounds adhere to the side of the container, as they sometimes did with plastic container models. The model given the "best value" designation was the Solis Maestro Burr Grinder ($115), which performed perfectly, but had a plastic grounds container that could have a minim static charge. In fact, it is the grinder that I use and it always does an excellent job - even with dark-roasted, oily beans that can jam up some other grinders. The KitchenAid would make a great Christmas gift "for coffee geeks," but the Solis is probably the way to go in terms of both price and performance.

When brewing coffee, there are two factors that play a huge part in the final flavor. The water-to-bean ratio is important, but first you should have fresh beans and they should be ground as soon before brewing as possible. Fresh grounds will have the natural oils of the bean still in them, which will give you the fullest flavor, eliminating much of that flat and bitter aftertaste that can come from stale grounds - and ground coffee can stale very, very quickly. This is why, if you brew coffee at home, it's a good idea to buy a grinder and grind your own beans. Since that's another step between you and coffee in the morning, however, many opt for preground. The all-in-one coffee makers, which have built in grinders, are a good option for anyone who wants to get the best cup of coffee with the least amount of work.

The machines are programmed in advance and they heat water, grind beans and brew your coffee all with the touch of a button. A recent test showed good results from each of three machines. The Melitta preformed well, but had no insulated carafe, which keeps the coffee from becoming burned or overly strong sitting on a heating pad. The Cuisinart made a slightly better cup of coffee than the Melitta, but the Capresso, with a burr grinder to ensure even grounds and smooth flavor, won the test.

All in all, you can't really go wrong with any of the machines from the sound of it, but if you already have a machine you like, look into getting a grinder instead of a whole new machine to really improve the quality of your morning brew.

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