Simple in concept, Scosche's MagicMount ($20), MagicMount Surface ($15), and MagicMount Window ($25) impressed us at the 2014 CES. The series relies on magnetic plates for mounting a device in the car or at home. Each package comes with two plates -- one large and one small -- that can be adhered directly to the back of an iPhone or its case. The plate can also fit in between an iPhone and its case without being stuck on. Then the handset simply sticks…