Wasn't it only January when we reviewed Griffin Technology's $80 iPod car charger and FM transmitter combo iTrip Auto with SmartScan? And June when we looked at the more sophisticated $100 version iTrip AutoPilot? Yes, but Griffin's back again with yet another version, confusingly titled just iTrip Auto ($60). The package notes that it still has the SmartScan feature found in the earlier models, but what's really changed is the design of the FM transmitter…
