Though Incase has been making Apple accessories for a long time, we really weren’t sure what to expect when we first received Reflex and Sonic for review—dozens of otherwise successful companies have tried to create worthwhile headphones, and far more have failed than succeeded. On the other hand, Incase has been making some smart moves recently with its new Soundesign lineup of earphones, and we really liked the $50 canalphone Capsule.…