Sonic Electronix offers the Planet Audio In-Dash 7" Touchscreen DVD/MP3/WMA Car Stereo Receiver
, model no. P9720, for $139.99
with free shipping
. That's tied with our January mention as the lowest total price we've seen, and a current low by $59. Features include a 7" touchscreen LCD, detachable faceplate, 80 watts peak into four channels, USB, SD card slot, AM/FM tuner, and wireless remote.