Firemall via Amazon offers the Garmin Dash Cam 20 Standalone Driving Recorder, model no. 010-01311-00, for $199.99. Coupon code "2CR8EIZ8" drops it to $135. With free shipping, that's the lowest total price we've seen and a current best by $80. It features GPS, a 2.3" display, microphone, impact sensor that automatically saves footage, SD card slot with support for up to 32GB cards (not included).