Amazon offers the Pioneer AVIC-X930BT 6.1" In-Dash DVD Receiver for an in-cart price of $559.99. This $100 mail-in rebate drops it to $459.99. With free shipping, that's $38 under our mention from two days ago and the lowest total price we could find by $80. Features include 50 watts RMS per channel into 4 channels, 6.1" 800x480 touchscreen display, microSD card slot, USB port, iPod/iPhone compatibility, GPS navigation with maps of US, Alaska, Hawaii, Canada, and Puerto Rico, and more. Rebate ends October 31.