Years have passed since we've seen anything interesting from BoxWave, but the company's back in action with the Keyboard Buddy Case for iPhone 4 ($80), another variation on the case-slash-Bluetooth keyboard accessory we've been seeing recently in increasing numbers. In addition to a hard plastic shell that covers most of the iPhone's back and sides while leaving camera, button, and top/bottom/face holes, this one has a full slide-out QWERTY…
