Winner of our 2014 Overall Best of Show Award at CES, ZeroChroma's new Folio Slide for iPad mini ($70) bridges the gap between folio-style and playthrough iPad cases that has existed since Apple released the first tablet in 2010. It arrives with a front lid that slides into a groove on the left side, capable of automatically locking and unlocking the mini's screen as it closes and opens, but if you don't want to use the lid, you just pull it off.…