"Why change a good thing?" seems to be the ethos at OtterBox-owned case maker LifeProof. Its latest case, Frē for iPad Air ($110), very closely resembles the numerous iterations of the case that've been available for past iPads, and smaller versions for iPhones. The company's trademark "four-proof" case can stand up to water, dirt, snow, and drops. Coming in black or white, it snaps around the front and back of the tablet, offering total protection.…
