To brew a very good cup of coffee from your whole beans, you need a grinder that produces a very uniform grind appropriate for your coffee brewer or device.  Only a conical burr grinder like this one from KitchenAid will do the perfect job.  This model makes it easy as you can dial in the grind best suited for your brewer.  We are making our best coffee ever with our KitchenAid grinder.