DealerCoastCarAudio.com has cut the price on the Pioneer in-dash DVD/MP3/CD receiver (model no. AVH-P4000DVD) from $499 to $349 making this a tie for the lowest price we have seen on this item by around $15.  FREE shipping is included and sales tax applies for residents of California. 
 

The Pioneer in-dash receiver features a customizable 6.1" touch screen display that can be blue, red, amber, green or violet.  The receiver has a built-in CD/DVD player that plays a variety of media including MP3 and WMA.  It also has a built-in auxiliary jack to plug in external media sources as well as a built-in EQ and Blutooth.  Other features include a built-in USB control, XM/Sirius satellite ready, composite AV jack and wireless remote.