As Griffin Technology's first iPhone-compatible FM transmitter, iTrip AutoPilot ($100, also known as iTrip AutoPilot with SmartScan) includes a combination of features familiar to users of the company's earlier iTrip Auto with SmartScan and AutoPilot accessories. First, there's the FM transmitter from iTrip Auto, newly packaged in a mirror-less dark plastic that makes the bright OLED display inside easier to see; in addition to performing music on…