Under cabinet coffee maker's greatest value is to save space. In fact, one of the more popular range by Black and Decker is called exactly that, Space Maker. This machine allows you to make coffee like any drip coffee maker, without taking any space on your kitchen top, great for small household. I covered in best coffee makers' article,choosing the best mean getting the one that is right for you. And out of the 4 factors, under cabinet coffee maker fulfill the 'plot' factor best. To say that these coffee maker save space, is an understatement. The fact is, being under cabinet, they simply do not occupy any space at all! 'Plot' factor wise, they would score a 100%! With regards to the other factors, price wise they are pretty economical, with most models hovering around the USD$ 50 range. 'Phew' factor is average as they come packed with more bells and whistle than your average drip coffee maker, so they would tend to be slightly more complicated. But, nothing out of the ordinary that a layman cannot handle. In the 'popularity' factor, if we compared it with Bunn, under cabinet coffee maker is nowhere near. However, one should note that we do not buy coffee makers based on how popular they are, but how well they suit our needs.