I’ll admit it, I’m hopelessly biased, but my son is a world-class Mr. Coffee expert. Kevin regularly travels to three different continents in search of relationships with farmers growing excellent coffee he can roast and sell in his San Francisco café. Over the years he has shared his coffee knowledge (and bags of really really good coffee) with my husband and me. We now know the difference between utilitarian commodity coffee that is just a caffeine delivery system, and the complex flavors of a cup of specialty coffee that stands alone even without cream or sugar. For Christmas, he gave us the perfect coffee-making setup to take with us on…