Since you're taking the time to select a quality espresso machine, you probably are aware of the importance of a good burr grinder. Many people are shocked at the taste difference between properly ground coffee and a poorly ground version. If you are buying an espresso machine on this site, a burr grinder, for those that do not have a built-in grinder, is the only way to go. The burr grinder provides a consistent grind that can be adjusted to your preference. The key is in the low speed approach to the grind which does not destroy the beans with high heat. A nice byproduct of this is a quieter grinder than the blade variety. You have decided to make your purchase decision from a selection of the worlds best espresso machines. Consider the grinder part of that cost.