Built in coffee makers [View all]

We are remodeling our kitchen/dining room and I want to incorporate a coffee bar for my husband. He is by far the messiest man on earth. I want to have onyx counter tops on the coffee bar and would rather them stay clean. I plan on having a bar sink, refrigerator, trash can, everything he needs right there for him, so he will not need to drip coffee all over the place. The built in coffee makers with a water line seem to make sense. Less for him to do therefore less mess. What do you think? Do they make decent coffee? Are they worth the price?